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\u5728\u5e7f\u9614\u7684\u4e92\u8054\u7f51\u9886\u57df\uff0c\u6c9f\u901a\u662f\u6210\u529f\u7684\u5173\u952e\uff0c\u7535\u5b50\u90ae\u4ef6\u662f\u6700\u91cd\u8981\u7684\u5de5\u5177\u4e4b\u4e00\u3002\u65e0\u7f1d\u7535\u5b50\u90ae\u4ef6\u4f20\u9001\u7684\u5e55\u540e\u662f\u4e00\u4e2a\u79f0\u4e3a SMTP\uff08\u7b80\u5355\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae\uff09\u7684\u5173\u952e\u534f\u8bae\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u7814\u7a76 SMTP \u7684\u590d\u6742\u6027\uff0c\u63a2\u8ba8\u5176\u5728\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u4e2d\u7684\u57fa\u672c\u4f5c\u7528\u4ee5\u53ca\u5b83\u5982\u4f55\u786e\u4fdd\u6d88\u606f\u7684\u53ef\u9760\u4f20\u9012\u3002<\/p>\n

<\/p>\n

\u5b9a\u4e49 SMTP<\/strong><\/h3>\n

SMTP\uff08\u5373\u7b80\u5355\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae\uff09\u662f\u4e00\u7ec4\u7ba1\u7406\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u7535\u5b50\u90ae\u4ef6\u7684\u89c4\u5219\u3002 SMTP \u5f00\u53d1\u4e8e 20 \u4e16\u7eaa 80 \u5e74\u4ee3\u521d\uff0c\u662f\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u7684\u652f\u67f1\uff0c\u5141\u8bb8\u5728\u4e0d\u540c\u670d\u52a1\u5668\u548c\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002<\/p>\n

SMTP \u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/h3>\n

1. \u542f\u52a8\u7535\u5b50\u90ae\u4ef6\u4f20\u8f93\uff1a<\/strong><\/h4>\n

\u5f53\u7528\u6237\u64b0\u5199\u6d88\u606f\u5e76\u70b9\u51fb\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u4e2d\u7684\u201c\u53d1\u9001\u201d\u6309\u94ae\u65f6\uff0c\u7535\u5b50\u90ae\u4ef6\u4f20\u8f93\u8fc7\u7a0b\u5c31\u5f00\u59cb\u4e86\u3002\u7136\u540e\u5ba2\u6237\u7aef\u4e0e SMTP \u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n

2. \u63e1\u624b\u548c\u8ba4\u8bc1\uff1a<\/strong><\/h4>\n

\u8fde\u63a5\u540e\uff0c\u5ba2\u6237\u7aef\u548c SMTP \u670d\u52a1\u5668\u4e4b\u95f4\u4f1a\u53d1\u751f\u4e00\u7cfb\u5217\u63e1\u624b\u3002\u8fd9\u662f\u786e\u4fdd\u4e24\u4e2a\u5b9e\u4f53\u80fd\u591f\u6709\u6548\u6c9f\u901a\u7684\u5173\u952e\u4e00\u6b65\u3002\u6b64\u5916\uff0c\u53ef\u80fd\u9700\u8981\u7528\u6237\u540d\u548c\u5bc6\u7801\u7b49\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u6765\u9a8c\u8bc1\u53d1\u9001\u8005\u7684\u5408\u6cd5\u6027\u3002<\/p>\n

3\u3001\u6d88\u606f\u4f20\u8f93\uff1a<\/strong><\/h4>\n

\u4e00\u65e6\u5efa\u7acb\u8fde\u63a5\u5e76\u4e14\u8eab\u4efd\u9a8c\u8bc1\u6210\u529f\uff0c\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u5c31\u4f1a\u5c06\u7535\u5b50\u90ae\u4ef6\u53d1\u9001\u5230 SMTP \u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u5904\u7406\u6d88\u606f\uff0c\u68c0\u67e5\u662f\u5426\u6709\u4efb\u4f55\u9519\u8bef\u6216\u683c\u5f0f\u95ee\u9898\u3002<\/p>\n

4. \u8def\u7531\u5230\u63a5\u6536\u8005\u7684\u670d\u52a1\u5668\uff1a<\/strong><\/h4>\n

\u7ecf\u8fc7\u5904\u7406\u540e\uff0cSMTP \u670d\u52a1\u5668\u786e\u5b9a\u6536\u4ef6\u4eba\u7684\u7535\u5b50\u90ae\u4ef6\u57df\uff0c\u5e76\u4f7f\u7528 DNS\uff08\u57df\u540d\u7cfb\u7edf\uff09\u6765\u5b9a\u4f4d\u6536\u4ef6\u4eba\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u3002\u7136\u540e\uff0c\u670d\u52a1\u5668\u4e0e\u6536\u4ef6\u4eba\u7684 SMTP \u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n

5. \u9012\u9001\u81f3\u6536\u4ef6\u4eba\u90ae\u7bb1\uff1a<\/strong><\/h4>\n

\u8fde\u63a5\u6210\u529f\u540e\uff0c\u6536\u4ef6\u4eba\u7684 SMTP \u670d\u52a1\u5668\u4f1a\u6536\u5230\u90ae\u4ef6\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6536\u4ef6\u4eba\u7684\u90ae\u7bb1\u4e2d\u3002\u6536\u4ef6\u4eba\u7a0d\u540e\u53ef\u4ee5\u4f7f\u7528\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u6216\u7f51\u7edc\u90ae\u4ef6\u754c\u9762\u68c0\u7d22\u6d88\u606f\u3002<\/p>\n

SMTP \u7684\u5173\u952e\u7ec4\u4ef6<\/strong><\/h3>\n

1. \u90ae\u4ef6\u4f20\u8f93\u4ee3\u7406\uff08MTA\uff09\uff1a<\/strong><\/h4>\n

MTA \u662f\u8d1f\u8d23\u5728\u670d\u52a1\u5668\u4e4b\u95f4\u8def\u7531\u548c\u4f20\u8f93\u7535\u5b50\u90ae\u4ef6\u7684\u8f6f\u4ef6\u3002\u5b83\u5728\u7535\u5b50\u90ae\u4ef6\u4f20\u8f93\u7684\u521d\u59cb\u9636\u6bb5\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u786e\u4fdd\u90ae\u4ef6\u88ab\u5b9a\u5411\u5230\u6b63\u786e\u7684\u76ee\u7684\u5730\u3002<\/p>\n

2. \u90ae\u4ef6\u6295\u9012\u4ee3\u7406\uff08MDA\uff09\uff1a<\/strong><\/h4>\n

MDA \u8d1f\u8d23\u5c06\u7535\u5b50\u90ae\u4ef6\u4f20\u9001\u5230\u6536\u4ef6\u4eba\u7684\u90ae\u7bb1\u3002\u5b83\u4e0e MTA \u534f\u540c\u5de5\u4f5c\uff0c\u786e\u4fdd\u7535\u5b50\u90ae\u4ef6\u5230\u8fbe\u6700\u7ec8\u76ee\u7684\u5730\u5e76\u5f97\u5230\u9002\u5f53\u5b58\u50a8\u3002<\/p>\n

3. SMTP\u547d\u4ee4\uff1a<\/strong><\/h4>\n

SMTP \u901a\u4fe1\u4f9d\u8d56\u4e8e\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u7684\u4e00\u7ec4\u547d\u4ee4\u3002\u8fd9\u4e9b\u547d\u4ee4\u5305\u62ec EHLO\uff08\u6269\u5c55\u95ee\u5019\uff09\u3001MAIL FROM\u3001RCPT TO\u3001DATA \u548c QUIT\uff0c\u6bcf\u4e2a\u547d\u4ee4\u5728\u7535\u5b50\u90ae\u4ef6\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u90fd\u6709\u7279\u5b9a\u7684\u7528\u9014\u3002<\/p>\n

\u6311\u6218\u548c\u5b89\u5168\u63aa\u65bd<\/strong><\/h3>\n

\u5c3d\u7ba1 SMTP \u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u4f46\u5b83\u4ecd\u9762\u4e34\u6311\u6218\uff0c\u7279\u522b\u662f\u5728\u5b89\u5168\u65b9\u9762\u3002\u7531\u4e8e\u5176\u5f00\u653e\u6027\uff0c\u6076\u610f\u5b9e\u4f53\u53ef\u4ee5\u5229\u7528 SMTP \u8fdb\u884c\u5783\u573e\u90ae\u4ef6\u6216\u7f51\u7edc\u9493\u9c7c\u7b49\u6d3b\u52a8\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5df2\u7ecf\u5b9e\u65bd\u4e86\u5404\u79cd\u5b89\u5168\u63aa\u65bd\uff0c\u5305\u62ec STARTTLS \u7b49\u52a0\u5bc6\u534f\u8bae\u548c SPF\uff08\u53d1\u4ef6\u4eba\u7b56\u7565\u6846\u67b6\uff09\u548c DKIM\uff08\u57df\u540d\u5bc6\u94a5\u8bc6\u522b\u90ae\u4ef6\uff09\u7b49\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u3002<\/p>\n

\u7ed3\u8bba<\/strong><\/h3>\n

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