{"id":15905,"date":"2026-11-06T10:00:40","date_gmt":"2026-11-06T07:00:40","guid":{"rendered":"https:\/\/snovio.cn\/blog\/?p=15905"},"modified":"2026-11-06T10:00:40","modified_gmt":"2026-11-06T07:00:40","slug":"email-bounce-codes","status":"publish","type":"post","link":"https:\/\/snovio.cn\/blog\/email-bounce-codes\/","title":{"rendered":"\u5916\u8d38\u90ae\u4ef6\u9000\u4fe1\u600e\u4e48\u529e\uff1f\u9000\u4fe1\u539f\u56e0\u3001\u5e38\u89c1\u9000\u4fe1\u4ee3\u7801\u5bf9\u7167\u548c\u5904\u7406\u65b9\u6cd5"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u5f00\u53d1\u4fe1\u53d1\u51fa\u53bb\uff0c\u6536\u5230\u4e00\u5c01 \u201cDelivery Status Notification (Failure)\u201d \u6216 \u201cUndeliverable\u201d \u7684\u7cfb\u7edf\u90ae\u4ef6\uff0c\u8fd9\u5c31\u662f\u9000\u4fe1\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u770b\u9000\u4fe1\u539f\u56e0\uff0c\u5148\u770b\u4ee3\u7801\u7684\u7b2c\u4e00\u4f4d\u6570\u5b57\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>4 \u5f00\u5934<\/b><span style=\"font-weight: 400;\">\uff08\u5982 421\u3001451\uff09\uff1a\u4e34\u65f6\u95ee\u9898\uff0c\u5bf9\u65b9\u670d\u52a1\u5668\u6682\u65f6\u4e0d\u63a5\u6536\uff0c\u7a0d\u540e\u91cd\u8bd5\u53ef\u80fd\u6210\u529f\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>5 \u5f00\u5934<\/b><span style=\"font-weight: 400;\">\uff08\u5982 550\u3001554\uff09\uff1a\u6c38\u4e45\u5931\u8d25\uff0c\u539f\u6837\u91cd\u53d1\u4e5f\u6ca1\u7528\uff0c\u8981\u5148\u627e\u5230\u539f\u56e0\u518d\u5904\u7406\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u4e0b\u9762\u5148\u8bb2\u600e\u4e48\u8bfb\u61c2\u4e00\u5c01\u9000\u4fe1\uff0c\u518d\u7ed9\u51fa\u5916\u8d38\u4eba\u6700\u5e38\u9047\u5230\u7684\u9000\u4fe1\u4ee3\u7801\u901f\u67e5\u8868\uff0c\u6700\u540e\u8bb2\u600e\u4e48\u5728\u53d1\u9001\u524d\u505a\u597d\u68c0\u67e5\uff0c\u51cf\u5c11\u9000\u4fe1\u3002<\/span><\/p>\n<h2><b>\u9000\u4fe1\u3001\u62d2\u6536\u3001\u8fdb\u5783\u573e\u7bb1\u3001\u6ca1\u6709\u9000\u4fe1\uff0c\u4f46\u5ba2\u6237\u627e\u4e0d\u5230\u90ae\u4ef6\u7684\u533a\u522b<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u201c\u5ba2\u6237\u8bf4\u6ca1\u6536\u5230\u6211\u7684\u90ae\u4ef6\u201d\uff0c\u80cc\u540e\u53ef\u80fd\u662f\u56db\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u5904\u7406\u65b9\u6cd5\u4e5f\u4e0d\u4e00\u6837\u3002<\/span><\/p>\n<table style=\"width: 100%; height: 400px;\">\n<thead>\n<tr style=\"height: 80px;\">\n<th style=\"border-style: solid; border-color: #000000; height: 80px; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u60c5\u51b5<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u8868\u73b0<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u4f60\u4f1a\u6536\u5230\u901a\u77e5\u5417<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u95ee\u9898\u901a\u5e38\u5728\u54ea\u4e00\u65b9<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u600e\u4e48\u67e5<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 80px;\">\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u9000\u4fe1<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u6536\u5230\u7cfb\u7edf\u53d1\u56de\u7684\u6295\u9012\u5931\u8d25\u901a\u77e5<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u4f1a<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u89c6\u4ee3\u7801\u800c\u5b9a<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u770b\u9000\u4fe1\u91cc\u7684\u4ee3\u7801\u548c\u8bf4\u660e<\/span><\/th>\n<\/tr>\n<tr style=\"height: 80px;\">\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u62d2\u6536<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u5bf9\u65b9\u670d\u52a1\u5668\u76f4\u63a5\u62d2\u7edd\u63a5\u6536\uff0c\u901a\u5e38\u4e5f\u4ee5\u9000\u4fe1\u5f62\u5f0f\u901a\u77e5\u4f60<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u4f1a<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u591a\u6570\u548c\u53d1\u4ef6\u4fe1\u8a89\u3001\u8ba4\u8bc1\u6709\u5173\uff0c\u4e5f\u53ef\u80fd\u662f\u5bf9\u65b9\u7684\u5b89\u5168\u7b56\u7565<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u770b\u4ee3\u7801\u662f\u5426\u5c5e\u4e8e 5.7.x \u7c7b<\/span><\/th>\n<\/tr>\n<tr style=\"height: 80px;\">\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u8fdb\u5783\u573e\u7bb1<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u90ae\u4ef6\u9001\u8fbe\u4e86\uff0c\u4f46\u8fdb\u4e86\u5bf9\u65b9\u7684\u5783\u573e\u90ae\u4ef6\u6587\u4ef6\u5939<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u4e0d\u4f1a<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u4e3b\u8981\u5728\u53d1\u4ef6\u65b9\uff1a\u57df\u540d\u4fe1\u8a89\u3001\u5185\u5bb9\u3001\u53d1\u9001\u8282\u594f<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u7528\u9001\u8fbe\u7387\u6d4b\u8bd5\u5de5\u5177\u68c0\u6d4b\uff0c\u6216\u8bf7\u719f\u6089\u7684\u5ba2\u6237\u5e2e\u5fd9\u67e5\u770b<\/span><\/th>\n<\/tr>\n<tr style=\"height: 80px;\">\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u6ca1\u6709\u9000\u4fe1\uff0c\u4f46\u5ba2\u6237\u627e\u4e0d\u5230\u90ae\u4ef6<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u6ca1\u6709\u9000\u4fe1\uff0c\u4e5f\u6ca1\u8fdb\u5783\u573e\u7bb1\uff0c\u5bf9\u65b9\u5c31\u662f\u6ca1\u6536\u5230<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u4e0d\u4f1a<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u53ef\u80fd\u88ab\u5bf9\u65b9\u516c\u53f8\u7684\u90ae\u4ef6\u5b89\u5168\u7cfb\u7edf\u62e6\u622a\uff0c\u4e14\u6ca1\u6709\u5411\u4f60\u53d1\u9001\u901a\u77e5<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; height: 80px;\"><span style=\"font-weight: 400;\">\u6362\u4e2a\u8054\u7cfb\u65b9\u5f0f\u5411\u5bf9\u65b9\u786e\u8ba4\uff0c\u8bf7\u5bf9\u65b9 IT \u67e5\u65e5\u5fd7<\/span><\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u672c\u6587\u4e3b\u8981\u8bb2\u7b2c\u4e00\u79cd\uff1a\u6536\u5230\u4e86\u9000\u4fe1\uff0c\u8be5\u600e\u4e48\u770b\u3001\u600e\u4e48\u5904\u7406\u3002<\/span><\/p>\n<h2><b>\u600e\u4e48\u770b\u61c2\u4e00\u5c01\u9000\u4fe1<\/b><\/h2>\n<h3><b>\u9000\u4fe1\u91cc\u8981\u770b\u7684 3 \u5904\u4fe1\u606f<\/b><\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u672a\u80fd\u6536\u5230\u90ae\u4ef6\u7684\u5730\u5740<\/b><span style=\"font-weight: 400;\">\uff1a\u786e\u8ba4\u662f\u54ea\u4e2a\u5730\u5740\u6ca1\u53d1\u51fa\u53bb\uff0c\u6709\u65f6\u4e00\u5c01\u90ae\u4ef6\u53d1\u7ed9\u591a\u4eba\uff0c\u53ea\u6709\u5176\u4e2d\u4e00\u4e2a\u5931\u8d25\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u72b6\u6001\u7801<\/b><span style=\"font-weight: 400;\">\uff1a\u901a\u5e38\u5199\u5728 Status \u6216\u6b63\u6587\u5f00\u5934\uff0c\u6bd4\u5982 <\/span><span style=\"font-weight: 400;\">550 5.1.1<\/span><span style=\"font-weight: 400;\">\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u9519\u8bef\u539f\u56e0\u8bf4\u660e<\/b><span style=\"font-weight: 400;\">\uff1a\u4e00\u822c\u5728 Diagnostic-Code \u6216\u4ee3\u7801\u540e\u9762\u7684\u4e00\u6bb5\u82f1\u6587\uff0c\u8bf4\u660e\u5bf9\u65b9\u670d\u52a1\u5668\u62d2\u6536\u7684\u5177\u4f53\u539f\u56e0\u3002<\/span><\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15906\" src=\"https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/3331baf1ec579bc83b62b007a2b57a81.png\" alt=\"\u9000\u4fe1\u91cc\u8981\u770b\u7684 3 \u5904\u4fe1\u606f 1\" width=\"1257\" height=\"636\" srcset=\"https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/3331baf1ec579bc83b62b007a2b57a81.png 1257w, https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/3331baf1ec579bc83b62b007a2b57a81-300x152.png 300w, https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/3331baf1ec579bc83b62b007a2b57a81-1024x518.png 1024w, https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/3331baf1ec579bc83b62b007a2b57a81-768x389.png 768w\" sizes=\"(max-width: 1257px) 100vw, 1257px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15907\" src=\"https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/a1b9a8ce18b30f1f8c100f618d43f5b1.png\" alt=\"\u9000\u4fe1\u91cc\u8981\u770b\u7684 3 \u5904\u4fe1\u606f 2\" width=\"1023\" height=\"512\" srcset=\"https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/a1b9a8ce18b30f1f8c100f618d43f5b1.png 1023w, https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/a1b9a8ce18b30f1f8c100f618d43f5b1-300x150.png 300w, https:\/\/snovio.cn\/blog\/wp-content\/uploads\/2026\/11\/a1b9a8ce18b30f1f8c100f618d43f5b1-768x384.png 768w\" sizes=\"(max-width: 1023px) 100vw, 1023px\" \/><\/p>\n<h3><b>\u4e24\u79cd\u4ee3\u7801\u600e\u4e48\u8bfb<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u9000\u4fe1\u91cc\u7684\u4ee3\u7801\u901a\u5e38\u6709\u4e24\u90e8\u5206\uff0c\u6bd4\u5982 <\/span><span style=\"font-weight: 400;\">550 5.1.1<\/span><span style=\"font-weight: 400;\">\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>550<\/b><span style=\"font-weight: 400;\">\uff1a\u4e09\u4f4d\u6570\u7684 SMTP \u56de\u590d\u7801\u3002\u7b2c\u4e00\u4f4d\u662f 4 \u8868\u793a\u4e34\u65f6\u5931\u8d25\uff0c\u662f 5 \u8868\u793a\u6c38\u4e45\u5931\u8d25\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>5.1.1<\/b><span style=\"font-weight: 400;\">\uff1a\u589e\u5f3a\u72b6\u6001\u7801\uff0c\u683c\u5f0f\u662f\u201c\u72b6\u6001\u7c7b\u522b.\u95ee\u9898\u7c7b\u522b.\u5177\u4f53\u539f\u56e0\u201d\uff0c\u7531\u56fd\u9645\u6807\u51c6 RFC 3463 \u5b9a\u4e49\u3002\u7b2c\u4e00\u4f4d\u540c\u6837\u8868\u793a\u4e34\u65f6\uff084\uff09\u6216\u6c38\u4e45\uff085\uff09\uff0c<\/span><b>\u7b2c\u4e8c\u4f4d\u544a\u8bc9\u4f60\u95ee\u9898\u51fa\u5728\u54ea\u4e00\u7c7b<\/b><span style=\"font-weight: 400;\">\uff1a<\/span><\/li>\n<\/ul>\n<table style=\"width: 96.1911%;\">\n<thead>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u7b2c\u4e8c\u4f4d<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u95ee\u9898\u7c7b\u522b<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u5916\u8d38\u573a\u666f\u91cc\u901a\u5e38\u610f\u5473\u7740<\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.1.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5730\u5740\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u90ae\u7bb1\u5730\u5740\u4e0d\u5b58\u5728\u6216\u5199\u9519\u4e86<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.2.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u90ae\u7bb1\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5730\u5740\u5b58\u5728\uff0c\u4f46\u90ae\u7bb1\u6ee1\u4e86\u6216\u88ab\u505c\u7528<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.3.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u65b9\u90ae\u4ef6\u7cfb\u7edf\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5bf9\u65b9\u7cfb\u7edf\u6545\u969c\u6216\u4e0d\u652f\u6301\u67d0\u4e9b\u529f\u80fd<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.4.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u7f51\u7edc\u548c\u8def\u7531\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u8fde\u63a5\u8d85\u65f6\u3001\u627e\u4e0d\u5230\u5bf9\u65b9\u670d\u52a1\u5668<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.5.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u90ae\u4ef6\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u534f\u8bae\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u53d1\u9001\u8fc7\u7a0b\u4e2d\u7684\u6280\u672f\u9519\u8bef<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.6.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5185\u5bb9\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u90ae\u4ef6\u5185\u5bb9\u6216\u683c\u5f0f\u65e0\u6cd5\u5904\u7406<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 8.7395%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">X.7.X<\/span><\/td>\n<td style=\"width: 32.7731%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5b89\u5168\u6216\u7b56\u7565\u95ee\u9898<\/span><\/td>\n<td style=\"width: 96.8067%; border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u88ab\u62e6\u622a\uff1a\u8ba4\u8bc1\u5931\u8d25\u3001\u4fe1\u8a89\u4e0d\u8db3\u3001\u88ab\u5224\u4e3a\u5783\u573e\u90ae\u4ef6<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u5916\u8d38\u4eba\u6700\u5e38\u9047\u5230\u7684\u662f X.1.X\uff08\u5730\u5740\u4e0d\u5bf9\uff09\u548c X.7.X\uff08\u88ab\u62e6\u622a\uff09\u3002<\/span><\/p>\n<h2><b>\u5e38\u89c1\u9000\u4fe1\u4ee3\u7801\u901f\u67e5\u8868<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u4e0b\u8868\u6574\u7406\u4e86\u5916\u8d38\u5f00\u53d1\u4fe1\u4e2d\u6700\u5e38\u89c1\u7684\u9000\u4fe1\u4ee3\u7801\u3002\u540c\u4e00\u4e2a\u4ee3\u7801\u5728\u4e0d\u540c\u90ae\u4ef6\u670d\u52a1\u5546\u90a3\u91cc\u7684\u63d0\u793a\u6587\u5b57\u4f1a\u7565\u6709\u4e0d\u540c\uff0c\u5224\u65ad\u65f6\u4ee5\u4ee3\u7801\u548c\u9519\u8bef\u539f\u56e0\u8bf4\u660e\u4e3a\u51c6\u3002<\/span><\/p>\n<h3><b>\u5730\u5740\u548c\u90ae\u7bb1\u95ee\u9898<\/b><\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u4ee3\u7801<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u5e38\u89c1\u63d0\u793a<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u610f\u601d<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u95ee\u9898\u5728\u54ea\u4e00\u65b9<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u600e\u4e48\u5904\u7406<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">550 5.1.1<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">The email account that you tried to reach does not exist \/ User unknown<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u90ae\u7bb1\u5730\u5740\u4e0d\u5b58\u5728<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5730\u5740\u672c\u8eab<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u4ece\u540d\u5355\u5220\u9664\uff1b\u56de\u5230\u6765\u6e90\u6838\u5bf9\u62fc\u5199\uff0c\u6216\u6362\u4e00\u4e2a\u8054\u7cfb\u4eba<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">550 5.1.10<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Recipient not found<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u4eba\u4e0d\u5b58\u5728\uff08\u5fae\u8f6f Exchange Online \u5e38\u89c1\uff09<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5730\u5740\u672c\u8eab<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u540c\u4e0a<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">550 5.4.1<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Recipient address rejected: Access denied<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5fae\u8f6f Exchange Online \u5728\u5bf9\u65b9\u76ee\u5f55\u91cc\u627e\u4e0d\u5230\u8fd9\u4e2a\u6536\u4ef6\u4eba\uff0c\u76f4\u63a5\u62d2\u6536<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u591a\u6570\u662f\u5730\u5740\u672c\u8eab<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5148\u6838\u5bf9\u5730\u5740\uff1b\u786e\u8ba4\u65e0\u8bef\u4ecd\u88ab\u62d2\uff0c\u6362\u8054\u7cfb\u4eba\u6216\u6362\u5176\u4ed6\u65b9\u5f0f\u8054\u7cfb<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">553 5.1.3<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Bad destination mailbox address syntax<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5730\u5740\u683c\u5f0f\u9519\u8bef<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5730\u5740\u672c\u8eab<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u68c0\u67e5\u591a\u4f59\u7a7a\u683c\u3001\u6f0f\u5199\u5b57\u7b26\u3001\u4e2d\u6587\u6807\u70b9<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">5.1.2<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Bad destination system address<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u57df\u540d\u4e0d\u5b58\u5728\u6216\u65e0\u6cd5\u63a5\u6536\u90ae\u4ef6<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5730\u5740\u672c\u8eab<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u68c0\u67e5 @ \u540e\u9762\u7684\u57df\u540d\uff1b\u5bf9\u65b9\u53ef\u80fd\u5df2\u7ecf\u66f4\u6362\u57df\u540d<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">5.2.1<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Mailbox disabled<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u90ae\u7bb1\u5df2\u88ab\u505c\u7528<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u65b9<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u8054\u7cfb\u4eba\u53ef\u80fd\u5df2\u79bb\u804c\uff0c\u6362\u4e00\u4e2a\u8054\u7cfb\u4eba<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">552 5.2.2 \/ 452 4.2.2<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Mailbox full \/ over quota<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u5bf9\u65b9\u90ae\u7bb1\u5df2\u6ee1<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u65b9<\/span><\/th>\n<th style=\"border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">5 \u5f00\u5934\u53ef\u9694\u51e0\u5929\u518d\u8bd5\uff1b\u591a\u6b21\u5931\u8d25\u5c31\u6362\u8054\u7cfb\u65b9\u5f0f<\/span><\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>\u88ab\u62e6\u622a\u548c\u8ba4\u8bc1\u95ee\u9898<\/b><\/h3>\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 13.0939%;\"><span style=\"font-weight: 400;\">\u4ee3\u7801<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 26.9988%;\"><span style=\"font-weight: 400;\">\u5e38\u89c1\u63d0\u793a<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 26.1877%;\"><span style=\"font-weight: 400;\">\u610f\u601d<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 8.80649%;\"><span style=\"font-weight: 400;\">\u95ee\u9898\u5728\u54ea\u4e00\u65b9<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 23.2908%;\"><span style=\"font-weight: 400;\">\u600e\u4e48\u5904\u7406<\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 13.0939%;\"><span style=\"font-weight: 400;\">550 5.7.26<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.9988%;\"><span style=\"font-weight: 400;\">This email has been blocked because the sender is unauthenticated<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.1877%;\"><span style=\"font-weight: 400;\">Gmail \u62d2\u6536\uff1a\u6ca1\u6709\u901a\u8fc7 SPF \u6216 DKIM \u8ba4\u8bc1\uff0c\u6216\u4e0d\u7b26\u5408\u53d1\u4ef6\u57df\u540d\u7684 DMARC \u7b56\u7565<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 8.80649%;\"><b>\u53d1\u4ef6\u65b9<\/b><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 23.2908%;\"><span style=\"font-weight: 400;\">\u6682\u505c\u53d1\u9001\uff0c\u68c0\u67e5\u5e76\u914d\u7f6e SPF\u3001DKIM\u3001DMARC<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 13.0939%;\"><span style=\"font-weight: 400;\">550 5.7.1<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.9988%;\"><span style=\"font-weight: 400;\">Message rejected \/ blocked \/ very low reputation<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.1877%;\"><span style=\"font-weight: 400;\">\u88ab\u5bf9\u65b9\u7684\u5b89\u5168\u7b56\u7565\u62d2\u6536\uff0c\u539f\u56e0\u5305\u62ec\u53d1\u4ef6 IP \u4fe1\u8a89\u4f4e\u3001\u88ab\u5217\u5165\u90ae\u4ef6\u62e6\u622a\u540d\u5355\u3001\u5bf9\u65b9\u7ec4\u7ec7\u7684\u89c4\u5219\u9650\u5236<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 8.80649%;\"><span style=\"font-weight: 400;\">\u591a\u6570\u5728\u53d1\u4ef6\u65b9<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 23.2908%;\"><span style=\"font-weight: 400;\">\u770b\u9519\u8bef\u539f\u56e0\u8bf4\u660e\u627e\u5177\u4f53\u539f\u56e0\uff1b\u68c0\u67e5\u57df\u540d\u548c IP \u662f\u5426\u88ab\u5217\u5165\u90ae\u4ef6\u62e6\u622a\u540d\u5355<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 13.0939%;\"><span style=\"font-weight: 400;\">550 5.7.1\uff08\u542b Blocklist\uff09<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.9988%;\"><span style=\"font-weight: 400;\">Client host blocked using Blocklist<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.1877%;\"><span style=\"font-weight: 400;\">\u53d1\u4ef6 IP \u88ab\u5fae\u8f6f\u5217\u5165\u62e6\u622a\u540d\u5355<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 8.80649%;\"><b>\u53d1\u4ef6\u65b9<\/b><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 23.2908%;\"><span style=\"font-weight: 400;\">\u6309\u9000\u4fe1\u4e2d\u7684\u8bf4\u660e\u7533\u8bf7\u89e3\u9664\uff1b\u540c\u65f6\u68c0\u67e5\u53d1\u9001\u884c\u4e3a\u662f\u5426\u5f02\u5e38<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 13.0939%;\"><span style=\"font-weight: 400;\">554 5.7.1<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.9988%;\"><span style=\"font-weight: 400;\">Message rejected as spam<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 26.1877%;\"><span style=\"font-weight: 400;\">\u90ae\u4ef6\u88ab\u5224\u4e3a\u5783\u573e\u90ae\u4ef6<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 8.80649%;\"><b>\u53d1\u4ef6\u65b9<\/b><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 23.2908%;\"><span style=\"font-weight: 400;\">\u68c0\u67e5\u5185\u5bb9\u3001\u94fe\u63a5\u3001\u9644\u4ef6\u548c\u53d1\u9001\u91cf<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>\u53d1\u9001\u592a\u9891\u7e41\u548c\u4e34\u65f6\u95ee\u9898<\/b><\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u4ee3\u7801<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u5e38\u89c1\u63d0\u793a<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u610f\u601d<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u95ee\u9898\u5728\u54ea\u4e00\u65b9<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u600e\u4e48\u5904\u7406<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">421 4.7.28<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">Gmail has detected an unusual rate of unsolicited mail<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">Gmail \u53d1\u73b0\u4f60\u7684 IP \u6216\u57df\u540d\u77ed\u65f6\u95f4\u5185\u53d1\u9001\u4e86\u5927\u91cf\u672a\u7ecf\u8bf7\u6c42\u7684\u90ae\u4ef6\uff0c\u6682\u65f6\u9650\u901f<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><b>\u53d1\u4ef6\u65b9<\/b><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u7acb\u5373\u964d\u4f4e\u6bcf\u65e5\u53d1\u9001\u91cf\uff0c\u5ef6\u957f\u53d1\u9001\u95f4\u9694<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">450 4.2.1<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">The user you are trying to contact is receiving email too quickly<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5bf9\u65b9\u90ae\u7bb1\u77ed\u65f6\u95f4\u5185\u6536\u5230\u592a\u591a\u90ae\u4ef6<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u65b9<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u9694\u4e00\u6bb5\u65f6\u95f4\u518d\u53d1<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">451 4.7.1 \/ 450<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">Try again later \/ Greylisted<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5e38\u89c1\u4e8e\u7070\u540d\u5355\u673a\u5236\uff1a\u5bf9\u65b9\u670d\u52a1\u5668\u7b2c\u4e00\u6b21\u5148\u62d2\u7edd\uff0c\u7b49\u4f60\u91cd\u53d1<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u65b9<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u4e0d\u7528\u5904\u7406\uff0c\u6b63\u5e38\u7684\u90ae\u4ef6\u7cfb\u7edf\u4f1a\u81ea\u52a8\u91cd\u53d1<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">421 4.4.5 \/ 451 4.3.0<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">Server busy \/ temporarily rejected<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u5bf9\u65b9\u670d\u52a1\u5668\u7e41\u5fd9\u6216\u6682\u65f6\u6545\u969c<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u6536\u4ef6\u65b9<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u7a0d\u540e\u81ea\u52a8\u91cd\u8bd5\u5373\u53ef<\/span><\/th>\n<\/tr>\n<tr>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">451 4.4.2 \/ 4.4.x<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">Timeout \/ connection dropped<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u8fde\u63a5\u8d85\u65f6\u6216\u4e2d\u65ad<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u7f51\u7edc<\/span><\/th>\n<th style=\"border-color: #000000; border-style: solid;\"><span style=\"font-weight: 400;\">\u7a0d\u540e\u91cd\u8bd5\uff1b\u53cd\u590d\u51fa\u73b0\u8bf7\u68c0\u67e5\u53d1\u4ef6\u670d\u52a1\u5668<\/span><\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>\u90ae\u4ef6\u672c\u8eab\u7684\u95ee\u9898<\/b><\/h3>\n<table style=\"width: 100.633%;\">\n<thead>\n<tr>\n<td style=\"width: 12.5%; border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u4ee3\u7801<\/span><\/td>\n<td style=\"width: 26.7078%; border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u5e38\u89c1\u63d0\u793a<\/span><\/td>\n<td style=\"width: 22.9544%; border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u610f\u601d<\/span><\/td>\n<td style=\"width: 14.5759%; border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u95ee\u9898\u5728\u54ea\u4e00\u65b9<\/span><\/td>\n<td style=\"width: 33.8119%; border-style: solid; border-color: #000000; background-color: #dceafa;\"><span style=\"font-weight: 400;\">\u600e\u4e48\u5904\u7406<\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 12.5%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">552 5.3.4<\/span><\/td>\n<td style=\"width: 26.7078%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Message exceeded size limits<\/span><\/td>\n<td style=\"width: 22.9544%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u90ae\u4ef6\u6216\u9644\u4ef6\u8d85\u8fc7\u5927\u5c0f\u9650\u5236<\/span><\/td>\n<td style=\"width: 14.5759%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u53d1\u4ef6\u65b9<\/span><\/td>\n<td style=\"width: 33.8119%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u538b\u7f29\u9644\u4ef6\uff0c\u6216\u6539\u7528\u4e91\u76d8\u94fe\u63a5<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 12.5%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">452 4.5.3<\/span><\/td>\n<td style=\"width: 26.7078%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">Too many recipients<\/span><\/td>\n<td style=\"width: 22.9544%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u4e00\u5c01\u90ae\u4ef6\u7684\u6536\u4ef6\u4eba\u592a\u591a<\/span><\/td>\n<td style=\"width: 14.5759%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u53d1\u4ef6\u65b9<\/span><\/td>\n<td style=\"width: 33.8119%; border-style: solid; border-color: #000000;\"><span style=\"font-weight: 400;\">\u4e00\u5c01\u90ae\u4ef6\u53ea\u53d1\u7ed9\u4e00\u4f4d\u5ba2\u6237<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>\u95ee\u9898\u5728\u201c\u53d1\u4ef6\u65b9\u201d\u7684\u4ee3\u7801\u8981\u7279\u522b\u91cd\u89c6<\/b><span style=\"font-weight: 400;\">\uff1a\u5b83\u4eec\u8bf4\u660e\u95ee\u9898\u51fa\u5728\u4f60\u81ea\u5df1\u7684\u57df\u540d\u3001IP \u6216\u53d1\u9001\u884c\u4e3a\u4e0a\u3002\u5982\u679c\u4e0d\u5904\u7406\uff0c\u6362\u54ea\u4e2a\u5ba2\u6237\u90fd\u4f1a\u7ee7\u7eed\u88ab\u62d2\u3002<\/span><\/p>\n<h2><b>\u6536\u5230\u9000\u4fe1\u540e\uff0c\u6309\u8fd9\u4e2a\u987a\u5e8f\u5904\u7406<\/b><\/h2>\n<p><b>\u7b2c\u4e00\u6b65\uff1a\u770b\u7b2c\u4e00\u4f4d\u6570\u5b57\uff0c\u5206\u6e05\u4e34\u65f6\u8fd8\u662f\u6c38\u4e45<\/b><\/p>\n<p><span style=\"font-weight: 400;\">4 \u5f00\u5934\u7684\u5148\u4e0d\u7528\u6025\uff0c\u5927\u591a\u6570\u90ae\u4ef6\u7cfb\u7edf\u4f1a\u81ea\u52a8\u91cd\u8bd5\u3002\u540c\u4e00\u4e2a\u5730\u5740\u53cd\u590d\u6536\u5230 4 \u5f00\u5934\u7684\u9000\u4fe1\uff0c\u518d\u6309 5 \u5f00\u5934\u5904\u7406\u3002<\/span><\/p>\n<p><b>\u7b2c\u4e8c\u6b65\uff1a5 \u5f00\u5934\u7684\uff0c\u770b\u7b2c\u4e8c\u4f4d\u5224\u65ad\u7c7b\u522b<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>X.1.X\u3001X.2.X\uff08\u5730\u5740\u548c\u90ae\u7bb1\u95ee\u9898\uff09<\/b><span style=\"font-weight: 400;\">\uff1a\u95ee\u9898\u5728\u8fd9\u4e2a\u5730\u5740\u672c\u8eab\u3002\u9a6c\u4e0a\u628a\u5b83\u4ece\u53d1\u9001\u540d\u5355\u548c\u81ea\u52a8\u8ddf\u8fdb\u6d41\u7a0b\u91cc\u79fb\u9664\uff0c\u56de\u5230\u6765\u6e90\u6838\u5bf9\uff1b\u8054\u7cfb\u4eba\u79bb\u804c\u7684\uff0c\u6362\u540c\u4e00\u5bb6\u516c\u53f8\u7684\u5176\u4ed6\u8d1f\u8d23\u4eba\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>X.7.X\uff08\u5b89\u5168\u548c\u7b56\u7565\u95ee\u9898\uff09<\/b><span style=\"font-weight: 400;\">\uff1a\u95ee\u9898\u591a\u534a\u5728\u4f60\u8fd9\u8fb9\u3002\u5148\u6682\u505c\u53d1\u9001\uff0c\u68c0\u67e5\u57df\u540d\u8ba4\u8bc1\u548c\u53d1\u9001\u8282\u594f\u3002<\/span><\/li>\n<\/ul>\n<p><b>\u7b2c\u4e09\u6b65\uff1a\u9047\u5230\u62e6\u622a\u7c7b\u9000\u4fe1\uff0c\u4e0d\u8981\u6362\u4e2a\u90ae\u7bb1\u7ee7\u7eed\u53d1<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u5f88\u591a\u4eba\u88ab\u62d2\u540e\u6362\u4e00\u4e2a\u65b0\u90ae\u7bb1\u63a5\u7740\u53d1\uff0c\u8fd9\u53ea\u4f1a\u8ba9\u65b0\u90ae\u7bb1\u4e5f\u5f88\u5feb\u88ab\u62e6\u622a\uff0c\u8fd8\u53ef\u80fd\u8fde\u7d2f\u540c\u4e00\u4e2a\u57df\u540d\u4e0b\u7684\u5176\u4ed6\u90ae\u7bb1\u3002\u6b63\u786e\u7684\u505a\u6cd5\u662f\u5148\u627e\u5230\u539f\u56e0\uff1a\u8ba4\u8bc1\u6ca1\u914d\u597d\u5c31\u914d\u7f6e SPF\u3001DKIM\u3001DMARC\uff1b\u53d1\u5f97\u592a\u5feb\u5c31\u964d\u4f4e\u6bcf\u65e5\u53d1\u9001\u91cf\uff1b\u540d\u5355\u8d28\u91cf\u5dee\u5c31\u5148\u9a8c\u8bc1\u518d\u53d1\u3002<\/span><\/p>\n<p><b>\u7b2c\u56db\u6b65\uff1a\u8bb0\u5f55\u4e0b\u6765<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u5728\u5ba2\u6237\u8868\u683c\u6216 CRM \u91cc\u6807\u6ce8\u9000\u4fe1\u539f\u56e0\u548c\u65e5\u671f\u3002\u4ee5\u540e\u518d\u5f00\u53d1\u8fd9\u5bb6\u516c\u53f8\u65f6\uff0c\u5c31\u77e5\u9053\u8fd9\u4e2a\u5730\u5740\u4e0d\u80fd\u7528\uff0c\u4e5f\u80fd\u770b\u51fa\u54ea\u7c7b\u540d\u5355\u6765\u6e90\u7684\u9000\u4fe1\u6700\u591a\u3002<\/span><\/p>\n<h2><b>\u9000\u4fe1\u7387\u591a\u5c11\u7b97\u9ad8\uff1f<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u9000\u4fe1\u7387 = \u9000\u4fe1\u6570\u91cf \u00f7 \u53d1\u9001\u6570\u91cf\u3002\u6ca1\u6709\u7edf\u4e00\u7684\u56fd\u9645\u6807\u51c6\uff0c\u4f46\u5404\u90ae\u4ef6\u5e73\u53f0\u90fd\u8bbe\u4e86\u81ea\u5df1\u7684\u7ea2\u7ebf\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u8003\uff1a<\/span><\/p>\n<table style=\"width: 87.6453%;\">\n<thead>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 31.5789%;\"><span style=\"font-weight: 400;\">\u5e73\u53f0<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 99.0099%;\"><span style=\"font-weight: 400;\">\u516c\u5f00\u89c4\u5219<\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 31.5789%;\"><span style=\"font-weight: 400;\">Zoho Campaigns<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 99.0099%;\"><span style=\"font-weight: 400;\">\u7fa4\u53d1\u65f6\u9000\u4fe1\u7387\u8d85\u8fc7 5%\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u6682\u505c\u53d1\u9001<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 31.5789%;\"><span style=\"font-weight: 400;\">\u963f\u91cc\u4e91\u90ae\u4ef6\u63a8\u9001<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 99.0099%;\"><span style=\"font-weight: 400;\">\u65e0\u6548\u5730\u5740\u7387\u4f4e\u4e8e 5%\uff0c\u624d\u6709\u53ef\u80fd\u63d0\u5347\u4fe1\u8a89\u7b49\u7ea7\u548c\u6bcf\u65e5\u53d1\u9001\u989d\u5ea6<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 31.5789%;\"><span style=\"font-weight: 400;\">Snov.io<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 99.0099%;\"><span style=\"font-weight: 400;\">\u9000\u4fe1\u7387\u8fc7\u9ad8\u65f6\uff0c\u53d1\u9001\u6d3b\u52a8\u4f1a\u81ea\u52a8\u6682\u505c\uff0c\u907f\u514d\u7ee7\u7eed\u5f71\u54cd\u53d1\u4ef6\u4fe1\u8a89<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u8fd9\u4e9b\u7ea2\u7ebf\u662f\u5e73\u53f0\u5141\u8bb8\u7684\u4e0a\u9650\uff0c\u5230\u4e86\u8fd9\u91cc\u5c31\u8981\u505c\u3002\u5f00\u53d1\u4fe1\u662f\u53d1\u7ed9\u964c\u751f\u5ba2\u6237\u7684\uff0c\u5bf9\u57df\u540d\u4fe1\u8a89\u66f4\u654f\u611f\uff0c<\/span><b>\u6309\u6211\u4eec\u7684\u7ecf\u9a8c\uff0c\u5efa\u8bae\u628a\u9000\u4fe1\u7387\u63a7\u5236\u5728 2% \u4ee5\u5185<\/b><span style=\"font-weight: 400;\">\u3002\u8d85\u8fc7 5%\uff0c\u5c31\u5e94\u8be5\u505c\u4e0b\u6765\u68c0\u67e5\u540d\u5355\u6765\u6e90\u548c\u90ae\u7bb1\u9a8c\u8bc1\u6d41\u7a0b\u3002<\/span><\/p>\n<h2><b>\u51cf\u5c11\u5f00\u53d1\u4fe1\u9000\u4fe1\u7684 6 \u4e2a\u505a\u6cd5<\/b><\/h2>\n<table style=\"width: 99.5942%;\">\n<thead>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 30.4828%;\"><span style=\"font-weight: 400;\">\u505a\u6cd5<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u80fd\u51cf\u5c11\u54ea\u7c7b\u9000\u4fe1<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; background-color: #dceafa; width: 45.0993%;\"><span style=\"font-weight: 400;\">\u5ef6\u4f38\u9605\u8bfb<\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 30.4828%;\"><span style=\"font-weight: 400;\">1. \u53d1\u9001\u524d\u9a8c\u8bc1\u90ae\u7bb1<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u5730\u5740\u4e0d\u5b58\u5728\u3001\u57df\u540d\u65e0\u6548\uff08X.1.X\uff09<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 45.0993%;\"><span style=\"font-weight: 400;\">\u5982\u4f55\u9a8c\u8bc1\u90ae\u7bb1\u662f\u5426\u6709\u6548<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 30.4828%;\"><span style=\"font-weight: 400;\">2. \u914d\u7f6e SPF\u3001DKIM\u3001DMARC<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u8ba4\u8bc1\u5931\u8d25\u88ab\u62d2\uff08\u5982 550 5.7.26\uff09<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 45.0993%;\"><a href=\"https:\/\/snovio.cn\/blog\/how-to-set-up-spf-dkim-dmarc\/\"><span style=\"font-weight: 400;\">SPF\u3001DKIM\u3001DMARC \u8bbe\u7f6e\u6559\u7a0b<\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 30.4828%;\"><span style=\"font-weight: 400;\">3. \u65b0\u57df\u540d\u3001\u65b0\u90ae\u7bb1\u5148\u9884\u70ed<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u4fe1\u8a89\u4e0d\u8db3\u88ab\u62e6\u622a\uff08X.7.X\uff09<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 45.0993%;\"><a href=\"https:\/\/snovio.cn\/blog\/new-domain-warm-up-strategy\/\"><span style=\"font-weight: 400;\">\u65b0\u57df\u540d\u9884\u70ed\u7b56\u7565<\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 30.4828%;\"><span style=\"font-weight: 400;\">4. \u63a7\u5236\u6bcf\u65e5\u53d1\u9001\u91cf\u548c\u95f4\u9694<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u53d1\u9001\u592a\u9891\u7e41\u88ab\u9650\u901f\uff08\u5982 421 4.7.28\uff09<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 45.0993%;\"><span style=\"font-weight: 400;\">\u2014<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 30.4828%;\"><span style=\"font-weight: 400;\">5. \u5b9a\u671f\u6e05\u7406\u8001\u540d\u5355<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u8054\u7cfb\u4eba\u79bb\u804c\u3001\u90ae\u7bb1\u505c\u7528\uff08X.2.X\uff09<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 45.0993%;\"><span style=\"font-weight: 400;\">\u2014<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border-style: solid; border-color: #000000; width: 30.4828%;\"><span style=\"font-weight: 400;\">6. \u9996\u5c01\u90ae\u4ef6\u5c11\u653e\u9644\u4ef6\u548c\u94fe\u63a5<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 40.6771%;\"><span style=\"font-weight: 400;\">\u88ab\u5224\u4e3a\u5783\u573e\u90ae\u4ef6\u3001\u90ae\u4ef6\u8d85\u5927<\/span><\/td>\n<td style=\"border-style: solid; border-color: #000000; width: 45.0993%;\"><a href=\"https:\/\/snovio.cn\/blog\/how-to-avoid-spam-filters-26-skills\/\"><span style=\"font-weight: 400;\">\u907f\u5f00\u5783\u573e\u90ae\u4ef6\u8fc7\u6ee4\u7684 26 \u4e2a\u6280\u5de7<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Snov.io \u53ef\u4ee5\u8f85\u52a9\u5b8c\u6210\u5176\u4e2d\u7684\u90ae\u7bb1\u9a8c\u8bc1\u3001\u53d1\u9001\u524d\u68c0\u6d4b\u548c\u9884\u70ed\uff1a\u7528<\/span><a href=\"https:\/\/snovio.cn\/email-verifier\"><span style=\"font-weight: 400;\">\u90ae\u7bb1\u9a8c\u8bc1\u5de5\u5177<\/span><\/a><span style=\"font-weight: 400;\">\u5728\u53d1\u9001\u524d\u6e05\u7406\u540d\u5355\uff0c\u7528<\/span><a href=\"https:\/\/snovio.cn\/email-deliverability-test\"><span style=\"font-weight: 400;\">\u9001\u8fbe\u7387\u6d4b\u8bd5<\/span><\/a><span style=\"font-weight: 400;\">\u68c0\u67e5 SPF\u3001DKIM\u3001DMARC \u914d\u7f6e\u548c\u662f\u5426\u88ab\u5217\u5165\u90ae\u4ef6\u62e6\u622a\u540d\u5355\uff0c\u7528<\/span><a href=\"https:\/\/snovio.cn\/email-warm-up\"><span style=\"font-weight: 400;\">\u90ae\u7bb1\u9884\u70ed<\/span><\/a><span style=\"font-weight: 400;\">\u9010\u6b65\u5efa\u7acb\u65b0\u90ae\u7bb1\u7684\u4fe1\u8a89\u3002\u53d1\u9001\u6d3b\u52a8\u4e2d\u9000\u4fe1\u7387\u8fc7\u9ad8\u65f6\uff0c\u7cfb\u7edf\u8fd8\u4f1a\u81ea\u52a8\u6682\u505c\u53d1\u9001\uff0c\u51cf\u5c11\u7ee7\u7eed\u53d1\u9001\u5931\u8d25\u7684\u90ae\u4ef6\u3002<\/span><\/p>\n<h2><b>\u5916\u8d38\u4eba\u5e38\u9047\u5230\u7684\u51e0\u79cd\u9000\u4fe1\u60c5\u51b5<\/b><\/h2>\n<h3><b>\u5ba2\u6237\u90ae\u7bb1\u660e\u660e\u662f\u5bf9\u7684\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u9000\u4fe1\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5730\u5740\u62fc\u5199\u6ca1\u9519\uff0c\u4e5f\u53ef\u80fd\u56e0\u4e3a\u8fd9\u4e9b\u539f\u56e0\u9000\u4fe1\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u8054\u7cfb\u4eba\u5df2\u7ecf\u79bb\u804c<\/b><span style=\"font-weight: 400;\">\uff0c\u516c\u53f8\u505c\u7528\u4e86\u4ed6\u7684\u90ae\u7bb1\uff08\u5e38\u89c1 5.1.1\u30015.2.1\uff09\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u516c\u53f8\u6362\u4e86\u57df\u540d<\/b><span style=\"font-weight: 400;\">\uff0c\u65e7\u57df\u540d\u7684\u90ae\u7bb1\u5df2\u7ecf\u4e0d\u518d\u6536\u4fe1\uff08\u5e38\u89c1 5.1.2\uff09\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u5bf9\u65b9\u7684\u4f01\u4e1a\u90ae\u4ef6\u7f51\u5173\u62e6\u622a<\/b><span style=\"font-weight: 400;\">\uff0c\u6bd4\u5982\u5fae\u8f6f Exchange Online \u7684 550 5.4.1\uff0c\u6216\u8005\u56e0\u4e3a\u4f60\u7684\u53d1\u4ef6\u4fe1\u8a89\u88ab\u62d2\uff085.7.X\uff09\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u5148\u770b\u4ee3\u7801\u533a\u5206\u662f\u5730\u5740\u95ee\u9898\u8fd8\u662f\u62e6\u622a\u95ee\u9898\u3002\u5730\u5740\u95ee\u9898\u5c31\u6362\u8054\u7cfb\u4eba\uff1b\u62e6\u622a\u95ee\u9898\u5148\u68c0\u67e5\u81ea\u5df1\u7684\u53d1\u4ef6\u914d\u7f6e\u3002<\/span><\/p>\n<h3><b>\u53d1\u7ed9\u67d0\u4e00\u5bb6\u516c\u53f8\u603b\u662f\u88ab\u62d2\u6536\u600e\u4e48\u529e\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u53d1\u7ed9\u5176\u4ed6\u5ba2\u6237\u90fd\u6b63\u5e38\uff0c\u53ea\u6709\u8fd9\u4e00\u5bb6\u516c\u53f8\u4e00\u76f4\u88ab\u62d2\uff0c\u591a\u534a\u662f\u5bf9\u65b9\u7684\u5b89\u5168\u7b56\u7565\u6bd4\u8f83\u4e25\u683c\uff0c\u6216\u8005\u4f60\u7684\u53d1\u4ef6 IP \u6216\u57df\u540d\u88ab\u5217\u5165\u5bf9\u65b9\u4f7f\u7528\u7684\u90ae\u4ef6\u62e6\u622a\u540d\u5355\u3002\u53ef\u4ee5\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u68c0\u67e5\u81ea\u5df1\u7684\u57df\u540d\u548c IP \u662f\u5426\u88ab\u5217\u5165\u90ae\u4ef6\u62e6\u622a\u540d\u5355\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u901a\u8fc7\u5bf9\u65b9\u5b98\u7f51\u7684\u8054\u7cfb\u8868\u5355\u6216\u9886\u82f1\uff0c\u8bf7\u5bf9\u65b9\u7684 IT \u68c0\u67e5\u662f\u5426\u9700\u8981\u5c06\u4f60\u7684\u90ae\u7bb1\u52a0\u5165\u5141\u8bb8\u63a5\u6536\u7684\u540d\u5355\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u6362\u4e00\u4e2a\u7ecf\u8fc7\u9884\u70ed\u3001\u4fe1\u8a89\u826f\u597d\u7684\u90ae\u7bb1\u518d\u8bd5\u3002<\/span><\/li>\n<\/ul>\n<h3><b>\u5e26\u4e86\u62a5\u4ef7\u5355\u9644\u4ef6\u5c31\u9000\u4fe1\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u53ef\u80fd\u662f\u9644\u4ef6\u8d85\u8fc7\u5bf9\u65b9\u7684\u5927\u5c0f\u9650\u5236\uff08552 5.3.4\uff09\uff0c\u4e5f\u53ef\u80fd\u662f\u964c\u751f\u90ae\u4ef6\u5e26\u9644\u4ef6\u88ab\u5bf9\u65b9\u5b89\u5168\u7cfb\u7edf\u62e6\u622a\u3002\u9996\u5c01\u5f00\u53d1\u4fe1\u5c3d\u91cf\u4e0d\u5e26\u9644\u4ef6\uff0c\u5ba2\u6237\u56de\u590d\u8868\u793a\u6709\u5174\u8da3\u540e\u518d\u53d1\uff1b\u6587\u4ef6\u8f83\u5927\u65f6\uff0c\u6539\u7528\u4e91\u76d8\u94fe\u63a5\u3002<\/span><\/p>\n<h3><b>\u6536\u5230\u7684\u9000\u4fe1\u662f\u4e2d\u6587\u63d0\u793a\uff0c\u600e\u4e48\u770b\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u7528\u817e\u8baf\u4f01\u4e1a\u90ae\u3001\u7f51\u6613\u4f01\u4e1a\u90ae\u3001\u963f\u91cc\u90ae\u7bb1\u7b49\u56fd\u5185\u90ae\u7bb1\u53d1\u4fe1\u65f6\uff0c\u9000\u4fe1\u901a\u5e38\u662f\u4e2d\u6587\u8bf4\u660e\uff0c\u4f46\u6b63\u6587\u91cc\u4e00\u822c\u4ecd\u7136\u4f1a\u9644\u4e0a\u539f\u59cb\u7684\u82f1\u6587\u4ee3\u7801\u548c\u9519\u8bef\u539f\u56e0\u8bf4\u660e\u3002\u5148\u627e\u5230 4 \u6216 5 \u5f00\u5934\u7684\u90a3\u4e32\u4ee3\u7801\uff0c\u518d\u5bf9\u7167\u672c\u6587\u7684\u901f\u67e5\u8868\u5224\u65ad\u3002\u5177\u4f53\u7684\u63d0\u793a\u6587\u5b57\u4ee5\u5404\u90ae\u7bb1\u670d\u52a1\u5546\u7684\u5e2e\u52a9\u6587\u6863\u4e3a\u51c6\u3002<\/span><\/p>\n<h2><b>\u5e38\u89c1\u95ee\u9898<\/b><\/h2>\n<h3><b>\u9000\u4fe1\u4f1a\u5f71\u54cd\u6211\u7684\u90ae\u7bb1\u5417\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5076\u5c14\u51e0\u5c01\u9000\u4fe1\u5f71\u54cd\u4e0d\u5927\u3002\u4f46\u6301\u7eed\u51fa\u73b0\u5927\u91cf\u9000\u4fe1\uff0c\u90ae\u4ef6\u670d\u52a1\u5546\u4f1a\u8ba4\u4e3a\u4f60\u5728\u7ed9\u4e0d\u5b58\u5728\u7684\u5730\u5740\u7fa4\u53d1\uff0c\u4ece\u800c\u964d\u4f4e\u4f60\u7684\u53d1\u4ef6\u4fe1\u8a89\uff0c\u4e4b\u540e\u53d1\u7ed9\u6b63\u5e38\u5ba2\u6237\u7684\u90ae\u4ef6\u4e5f\u66f4\u5bb9\u6613\u88ab\u62e6\u622a\u6216\u8fdb\u5783\u573e\u7bb1\u3002<\/span><\/p>\n<h3><b>\u9000\u4fe1\u7684\u5730\u5740\u8fd8\u80fd\u518d\u53d1\u5417\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">5 \u5f00\u5934\u7684\u5730\u5740\u7c7b\u9000\u4fe1\uff08\u5982 5.1.1\uff09\u4e0d\u8981\u518d\u53d1\uff0c\u91cd\u590d\u53d1\u9001\u53ea\u4f1a\u7ee7\u7eed\u62c9\u4f4e\u4fe1\u8a89\u30024 \u5f00\u5934\u7684\u4e34\u65f6\u9000\u4fe1\u53ef\u4ee5\u7b49\u4e00\u6bb5\u65f6\u95f4\u518d\u8bd5\u3002<\/span><\/p>\n<h3><b>\u9a8c\u8bc1\u8fc7\u7684\u90ae\u7bb1\u4e3a\u4ec0\u4e48\u8fd8\u4f1a\u9000\u4fe1\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u90ae\u7bb1\u9a8c\u8bc1\u53cd\u6620\u7684\u662f\u68c0\u67e5\u90a3\u4e00\u523b\u7684\u72b6\u6001\u3002\u4e4b\u540e\u8054\u7cfb\u4eba\u53ef\u80fd\u79bb\u804c\u3001\u90ae\u7bb1\u88ab\u505c\u7528\uff1b\u4e5f\u6709\u4e9b\u9000\u4fe1\u548c\u5730\u5740\u65e0\u5173\uff0c\u662f\u56e0\u4e3a\u53d1\u4ef6\u65b9\u7684\u8ba4\u8bc1\u3001\u4fe1\u8a89\u6216\u5185\u5bb9\u88ab\u62e6\u622a\u3002\u9a8c\u8bc1\u80fd\u5927\u5e45\u51cf\u5c11\u5730\u5740\u7c7b\u9000\u4fe1\uff0c\u4f46\u89e3\u51b3\u4e0d\u4e86\u62e6\u622a\u7c7b\u9000\u4fe1\u3002<\/span><\/p>\n<h3><b>\u4e34\u65f6\u9000\u4fe1\u8981\u91cd\u8bd5\u51e0\u6b21\uff1f<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5927\u591a\u6570\u90ae\u4ef6\u7cfb\u7edf\u4f1a\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u81ea\u52a8\u91cd\u8bd5\uff0c\u901a\u5e38\u4e0d\u9700\u8981\u624b\u52a8\u91cd\u53d1\u3002\u5982\u679c\u51e0\u5929\u540e\u4ecd\u7136\u5931\u8d25\uff0c\u7cfb\u7edf\u4f1a\u53d1\u6765\u6700\u7ec8\u7684\u9000\u4fe1\uff0c\u8fd9\u65f6\u518d\u6309\u6c38\u4e45\u5931\u8d25\u5904\u7406\u3002<\/span><\/p>\n<h2><b>\u5199\u5728\u6700\u540e\uff1a\u9000\u4fe1\u5904\u7406\u6d41\u7a0b\u5c0f\u7ed3<\/b><\/h2>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u770b\u7b2c\u4e00\u4f4d<\/b><span style=\"font-weight: 400;\">\uff1a4 \u5f00\u5934\u7b49\u91cd\u8bd5\uff0c5 \u5f00\u5934\u8981\u5904\u7406\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u770b\u7b2c\u4e8c\u4f4d<\/b><span style=\"font-weight: 400;\">\uff1a1 \u6216 2 \u662f\u5730\u5740\u548c\u90ae\u7bb1\u95ee\u9898\uff0c\u5220\u9664\u6216\u6362\u8054\u7cfb\u4eba\uff1b7 \u662f\u88ab\u62e6\u622a\uff0c\u5148\u67e5\u81ea\u5df1\u7684\u914d\u7f6e\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u62e6\u622a\u7c7b\u9000\u4fe1<\/b><span style=\"font-weight: 400;\">\uff1a\u6682\u505c\u53d1\u9001\uff0c\u68c0\u67e5 SPF\u3001DKIM\u3001DMARC \u548c\u53d1\u9001\u8282\u594f\uff0c\u4e0d\u8981\u5728\u672a\u67e5\u660e\u539f\u56e0\u65f6\u6362\u90ae\u7bb1\u7ee7\u7eed\u53d1\u9001\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u8bb0\u5f55\u539f\u56e0<\/b><span style=\"font-weight: 400;\">\uff1a\u5728\u5ba2\u6237\u8d44\u6599\u91cc\u6807\u6ce8\u9000\u4fe1\u4ee3\u7801\u548c\u65e5\u671f\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u53d1\u9001\u524d\u68c0\u67e5<\/b><span style=\"font-weight: 400;\">\uff1a\u53d1\u9001\u524d\u9a8c\u8bc1\u90ae\u7bb1\uff0c\u65b0\u90ae\u7bb1\u5148\u9884\u70ed\uff0c\u9000\u4fe1\u7387\u63a7\u5236\u5728 2% \u4ee5\u5185\u3002<\/span><\/li>\n<\/ol>\n<p><span 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421\u3001451\uff09\uff1a\u4e34\u65f6\u95ee\u9898\uff0c\u5bf9\u65b9\u670d\u52a1\u5668\u6682\u65f6\u4e0d\u63a5\u6536\uff0c\u7a0d\u540e\u91cd\u8bd5\u53ef\u80fd\u6210\u529f\u3002 5 \u5f00\u5934\uff08\u5982 550\u3001554\uff09\uff1a\u6c38\u4e45\u5931\u8d25\uff0c\u539f\u6837\u91cd\u53d1\u4e5f\u6ca1\u7528\uff0c\u8981\u5148\u627e\u5230\u539f\u56e0\u518d\u5904\u7406\u3002 \u4e0b\u9762\u5148\u8bb2\u600e\u4e48\u8bfb\u61c2\u4e00\u5c01\u9000\u4fe1\uff0c\u518d\u7ed9\u51fa\u5916\u8d38\u4eba\u6700\u5e38\u9047\u5230\u7684\u9000\u4fe1\u4ee3\u7801\u901f\u67e5\u8868\uff0c\u6700\u540e\u8bb2\u600e\u4e48\u5728\u53d1\u9001\u524d\u505a\u597d\u68c0\u67e5\uff0c\u51cf\u5c11\u9000\u4fe1\u3002 \u9000\u4fe1\u3001\u62d2\u6536\u3001\u8fdb\u5783\u573e\u7bb1\u3001\u6ca1\u6709\u9000\u4fe1\uff0c\u4f46\u5ba2\u6237\u627e\u4e0d\u5230\u90ae\u4ef6\u7684\u533a\u522b 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