{"id":71,"date":"2016-03-25T02:04:21","date_gmt":"2016-03-25T02:04:21","guid":{"rendered":"http:\/\/www.smtp-server.net\/?p=71"},"modified":"2015-05-04T20:34:26","modified_gmt":"2015-05-04T20:34:26","slug":"att-smtp-%e6%9c%8d%e5%8a%a1%e5%99%a8-smtp-%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.smtp-server.net\/zh\/att-smtp-%e6%9c%8d%e5%8a%a1%e5%99%a8-smtp-%e5%8d%8f%e8%ae%ae\/","title":{"rendered":"Att SMTP \u670d\u52a1\u5668 - SMTP \u534f\u8bae"},"content":{"rendered":"<p>\u65e9\u5728 20 \u4e16\u7eaa 60 \u5e74\u4ee3\uff0c\u7535\u5b50\u90ae\u4ef6\u5c31\u4ee5\u8fd9\u6837\u6216\u90a3\u6837\u7684\u5f62\u5f0f\u51fa\u73b0\u4e86\u3002\u4f46\u76f4\u5230 1982 \u5e74 8 \u6708\uff0c\u4fe1\u606f\u79d1\u5b66\u7814\u7a76\u6240\u53d1\u5e03\u4e86\u300a\u7b80\u5355\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae\u300b\uff08SMTP\uff1bRFC 821\uff09\uff0c\u624d\u63d0\u51fa\u4e86\u6536\u53d1\u7535\u5b50\u90ae\u4ef6\u7684\u6807\u51c6\u5316\u65b9\u6cd5\u3002<\/p>\n<p><!--more--><\/p>\n<p>SMTP \u5f88\u5feb\u5728 ARPANET \u4e0a\u6d41\u884c\u8d77\u6765\uff0c\u53d6\u4ee3\u4e86\u4ece\u4e00\u53f0\u5927\u578b\u673a\u5411\u53e6\u4e00\u53f0\u5927\u578b\u673a\u4f20\u9001\u90ae\u4ef6\u6240\u4f7f\u7528\u7684\u66f4\u4e3a\u590d\u6742\u7684\u65e7\u65b9\u6cd5\uff0c\u5e76\u4e8e 1982 \u5e74\u5e95\u9996\u6b21\u7531 BSD 4.1c \u4e2d\u7684\u65e9\u671f\u90ae\u4ef6\u4f20\u8f93\u4ee3\u7406 Sendmail \u63d0\u4f9b\u652f\u6301\u3002.<br \/>\n\u4ece\u90a3\u65f6\u8d77\uff0c\u8be5\u534f\u8bae\u5b9a\u671f\u8fdb\u884c\u4fee\u8ba2\u548c\u6269\u5c55\uff0c\u4f46\u53d1\u9001\u90ae\u4ef6\u7684\u57fa\u672c\u65b9\u6cd5\u57fa\u672c\u4fdd\u6301\u4e0d\u53d8\u3002.<\/p>\n<p>\u8be5\u534f\u8bae\u662f\u4e00\u4e2a\u57fa\u4e8e\u6587\u672c\u7684\u534f\u8bae\uff0c\u6700\u521d\u4e0d\u652f\u6301\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u4f20\u8f93\u3002\u4e0d\u8fc7\uff0c\u57fa\u4e8e\u6587\u672c\u7684\u534f\u8bae\u6613\u4e8e\u5b9e\u65bd\u548c\u7ef4\u62a4\u300280 \u5e74\u4ee3\u672b\uff0cMIME\uff08\u591a\u7528\u9014\u4e92\u8054\u7f51\u90ae\u4ef6\u6269\u5c55\uff09\u5f00\u59cb\u6d41\u884c\uff0c\u7528\u4e8e\u901a\u8fc7 SMTP \u7f16\u7801\u548c\u53d1\u9001\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u5982\u4eca\uff0cSMTP \u5df2\u6210\u4e3a\u4e92\u8054\u7f51\u4e0a\u53d1\u9001\u548c\u63a5\u6536\u7535\u5b50\u90ae\u4ef6\u7684\u4e3b\u8981\u534f\u8bae\uff0c\u4efb\u4f55\u7f51\u7edc\u7ba1\u7406\u5458\u90fd\u5fc5\u987b\u638c\u63e1\u8be5\u534f\u8bae\u7684\u76f8\u5173\u77e5\u8bc6\u3002.<\/p>\n<p>\u7531\u4e8e SMTP \u4ee5\u6587\u672c\u4e3a\u57fa\u7840\uff0c\u56e0\u6b64\u5b66\u4e60\u8be5\u534f\u8bae\u6bd4\u5b66\u4e60\u8bb8\u591a\u5176\u4ed6\u534f\u8bae\u8981\u5bb9\u6613\u5f97\u591a\uff0c\u53ea\u9700\u4e00\u4e2a\u80fd\u901a\u8fc7 TCP\/IP \u7aef\u53e3 25 \u53d1\u9001 ASCII \u6570\u636e\u7684\u7a0b\u5e8f\uff08\u5982 Telnet\uff09\uff0c\u5c31\u80fd\u4e0e SMTP \u670d\u52a1\u5668\u76f4\u63a5\u901a\u4fe1\u3002.<\/p>\n<p>\u901a\u8fc7 SMTP \u53d1\u9001\u90ae\u4ef6\u662f\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u8fdb\u884c\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u90ae\u4ef6\u7684\u53d1\u9001\u6ca1\u6709\u5168\u90e8\u5b8c\u6210\uff0c\u4e5f\u6ca1\u6709\u4ea7\u751f\u9519\u8bef\uff0c\u90ae\u4ef6\u5c31\u4f1a\u88ab\u4e22\u5f03\u3002RFC 821 \u5c06\u4e8b\u52a1\u63cf\u8ff0\u4e3a\u4e09\u4e2a\u9636\u6bb5\uff1a\u6307\u5b9a\u53d1\u4ef6\u4eba\u3001\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a\u6536\u4ef6\u4eba\uff0c\u7136\u540e\u53d1\u9001\u90ae\u4ef6\u3002\u4e0d\u8fc7\uff0c\u628a SMTP \u4e8b\u52a1\u770b\u4f5c 5 \u4e2a\u9636\u6bb5\u66f4\u5bb9\u6613\u7406\u89e3\uff1a<\/p>\n<ul>\n<li>\u63e1\u624b<\/li>\n<li>\u53d1\u9001\u56de\u590d\u5730\u5740<\/li>\n<li>\u53d1\u9001\u6536\u4ef6\u4eba<\/li>\n<li>\u53d1\u9001\u4fe1\u606f\u6570\u636e<\/li>\n<li>\u7ed3\u675f\u4ea4\u6613<\/li>\n<\/ul>\n<p><b>\u63e1\u624b<\/b><\/p>\n<p>\u5728\u8fde\u63a5\u5230 25 \u7aef\u53e3\u7684 SMTP \u670d\u52a1\u5668\u65f6\uff0c\u4fe1\u606f\u53d1\u9001\u65b9\u5fc5\u987b\u7b49\u5f85\u63a5\u6536\u65b9\u63a5\u53d7\u8fde\u63a5\uff0c\u5e76\u6309\u4ee5\u4e0b\u683c\u5f0f\u8868\u660e\u81ea\u5df1\u7684\u8eab\u4efd\uff1a<\/p>\n<blockquote><p>220 [\u57df] [\u670d\u52a1\u4fe1\u606f\uff3d<br \/>\n\u793a\u4f8b\uff1a220 example.com \u670d\u52a1\u51c6\u5907\u5c31\u7eea<\/p><\/blockquote>\n<p>\u7136\u540e\uff0c\u53d1\u9001\u65b9\u5fc5\u987b\u4f7f\u7528 HELO \u547d\u4ee4\u5411\u63a5\u6536\u65b9\u8868\u660e\u81ea\u5df1\u7684\u8eab\u4efd\u3002.<\/p>\n<blockquote><p>HELO [\u57df]<br \/>\n\u793a\u4f8b\uff1aHELO example.com<\/p><\/blockquote>\n<p>\u90ae\u4ef6\u670d\u52a1\u5668\u5e0c\u671b\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u4f7f\u7528\u57df\u540d\u6765\u6807\u8bc6\u81ea\u5df1\u7684\u8eab\u4efd\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7\u6267\u884c MX \u8bb0\u5f55\u67e5\u8be2\u6765\u9a8c\u8bc1\u670d\u52a1\u5668\u7684\u8eab\u4efd\uff1a<\/p>\n<blockquote><p>250 [\u4fe1\u606f]<br \/>\n\u793a\u4f8b\uff1a 250 example.com \u4f60\u597d\uff0cbob \u5728 example.com<\/p><\/blockquote>\n<p>\u56de\u590d\u4ee3\u7801 250 \u662f SMTP \u670d\u52a1\u5668\u53d1\u51fa\u7684\u901a\u7528 \u2018OK \u2019\u56de\u590d\uff0c\u8868\u793a\u4e0a\u6b21\u64cd\u4f5c\u5df2\u6210\u529f\u5b8c\u6210\u3002.<\/p>\n<p><b>\u53d1\u9001\u56de\u590d\u5730\u5740\uff1a<\/b><\/p>\n<p>\u4e00\u65e6\u4e24\u4e2a\u670d\u52a1\u5668\u5b8c\u6210\u63e1\u624b\uff0cSMTP \u4ea4\u6613\u5c31\u5f00\u59cb\u4e86\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u5411\u670d\u52a1\u5668\u53d1\u9001\u547d\u4ee4\u3002\u5982\u679c\u60a8\u60f3\u67e5\u770b\u670d\u52a1\u5668\u6240\u652f\u6301\u7684\u547d\u4ee4\uff0c\u8bf7\u53d1\u9001 HELP \u547d\u4ee4\uff0cSMTP \u670d\u52a1\u5668\u4f1a\u56de\u590d\u4e00\u6761\u4fe1\u606f\uff0c\u8be6\u7ec6\u8bf4\u660e\u652f\u6301\u54ea\u4e9b\u547d\u4ee4\u3002.<\/p>\n<p>\u8981\u5411\u8be5\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237\u53d1\u9001\u90ae\u4ef6\uff0c\u6211\u4eec\u5fc5\u987b\u5148\u8bbe\u7f6e\u4e00\u4e2a\u56de\u590d\u5730\u5740\u3002\u5fc5\u987b\u5148\u63d0\u4f9b\u56de\u590d\u5730\u5740\uff0c\u4ee5\u4fbf\u5728 SMTP \u4ea4\u6613\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u4efb\u4f55\u9519\u8bef\u65f6\u53ef\u4ee5\u5411\u8be5\u5730\u5740\u62a5\u544a\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u4f7f\u7528 \u2018MAIL FROM: \u2019\u547d\u4ee4\uff1a<\/p>\n<blockquote><p>\u90ae\u5bc4\u5730\u5740\uff1a<br \/>\n\u793a\u4f8b\uff1aMAIL FROM\uff1a<\/p><\/blockquote>\n<p>\u6ce8\u610f\u5c0f\u4e8e\u548c\u5927\u4e8e\u5b57\u7b26\u3002RFC 821 \u8981\u6c42\u8fd9\u4e9b\u5b57\u7b26\u5305\u542b\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u672c\u8eab\u3002\u5982\u679c\u5730\u5740\u88ab\u63a5\u53d7\uff0cSMTP \u5c06\u8fd4\u56de 250 OK \u56de\u590d\u3002.<\/p>\n<p><b>\u53d1\u9001\u6536\u4ef6\u4eba<\/b><\/p>\n<p>\u8bbe\u7f6e\u56de\u590d\u5730\u5740\u540e\uff0cSMTP \u5c06\u5141\u8bb8\u6211\u4eec\u8bc6\u522b\u90ae\u4ef6\u7684\u6536\u4ef6\u4eba\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u4f7f\u7528 \u2018RCPT TO: \u2019\u547d\u4ee4\uff1a<\/p>\n<blockquote><p>RCPT TO\uff1a<br \/>\n\u793a\u4f8b\uff1aRCPT TO\uff1a<\/p><\/blockquote>\n<p>\u8981\u8bbe\u7f6e\u591a\u4e2a\u6536\u4ef6\u4eba\uff0c\u53ea\u9700\u5bf9\u6bcf\u4e2a\u6536\u4ef6\u4eba\u91cd\u590d\u6b64\u547d\u4ee4\u5373\u53ef\u3002\u5982\u679c\u6536\u4ef6\u4eba\u63a5\u53d7\u4e86\u8be5\u7528\u6237\u7684\u90ae\u4ef6\uff0c\u5e76\u4e14\u6b64\u65f6\u53ef\u4ee5\u63a5\u53d7\u90ae\u4ef6\uff0c\u5219\u5e94\u56de\u590d 250 OK\u3002\u5982\u679c\u6536\u4ef6\u4eba\u4e0d\u63a5\u53d7\u8be5\u7528\u6237\u7684\u90ae\u4ef6\uff0c\u5219\u4f1a\u53d1\u9001 550 \u5931\u8d25\u56de\u590d\u6216\u76f8\u5e94\u7684\u9519\u8bef\u4ee3\u7801\u3002\u5982\u679c\u6536\u5230 250 OK \u56de\u590d\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7ee7\u7eed\u53d1\u9001\u90ae\u4ef6\u6570\u636e\u3002.<\/p>\n<p><b>\u53d1\u9001\u4fe1\u606f\u6570\u636e<\/b><\/p>\n<p>\u901a\u8fc7 SMTP \u53d1\u9001\u6570\u636e\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u4fe1\u606f\u683c\u5f0f\u53ef\u80fd\u76f8\u5f53\u590d\u6742\uff0c\u5c24\u5176\u662f\u5728\u53d1\u9001\u4e8c\u8fdb\u5236\u9644\u4ef6\u65f6\u3002\u8981\u5f00\u59cb\u53d1\u9001\u6570\u636e\uff0c\u6211\u4eec\u5e94\u53d1\u51fa \u2018DATA \u2019\u547d\u4ee4\uff0c\u670d\u52a1\u5668\u5e94\u56de\u590d 354 \u4e2d\u95f4\u56de\u590d\uff1a<\/p>\n<blockquote><p>354 \u8f93\u5165\u4fe1\u606f\uff0c\u4ee5\u201c. \u201d\u7ed3\u5c3e\uff0c\u5355\u72ec\u4e00\u884c<\/p><\/blockquote>\n<p>\u6211\u4eec\u53ef\u4ee5\u53d1\u9001\u7684\u6700\u7b80\u5355\u7684\u4fe1\u606f\u662f\u7eaf\u6587\u672c\u4fe1\u606f\uff0c\u5b83\u4e0d\u9700\u8981\u4f7f\u7528\u591a\u90e8\u5206 MIME \u4fe1\u606f\u683c\u5f0f\u3002\u6240\u6709\u4fe1\u606f\uff0c\u4e0d\u7ba1\u662f\u7eaf\u6587\u672c\u8fd8\u662f\u5176\u4ed6\u4fe1\u606f\uff0c\u90fd\u662f\u901a\u8fc7\u53d1\u9001\u4e00\u884c\u4ec5\u5305\u542b\u53e5\u70b9\u7684\u5b57\u7b26\u6765\u7ed3\u675f\u7684\u3002\u6b64\u5916\uff0c\u5728\u53d1\u9001\u4fe1\u606f\u4e4b\u524d\uff0c\u60a8\u8fd8\u53ef\u4ee5\u53d1\u9001\u4e00\u4e9b\u6807\u9898\u4fe1\u606f\uff0c\u5982\u65e5\u671f\u3001\u4e3b\u9898\u3001\u6536\u4ef6\u4eba\u3001\u6284\u9001\u4eba\u548c\u53d1\u4ef6\u4eba\u3002.<\/p>\n<p>\u4f8b\u5982<\/p>\n<blockquote><p>\u6570\u636e<br \/>\n354 \u8f93\u5165\u4fe1\u606f\uff0c\u4ee5\u201c. \u201d\u7ed3\u5c3e\uff0c\u5355\u72ec\u4e00\u884c<br \/>\n\u4e3b\u9898\uff1a\u8fd9\u662f\u8ba1\u5212\u77ed\u4fe1\u7684\u4e3b\u9898\u884c<br \/>\n\u8fd9\u5c31\u662f\u7eaf\u6587\u672c\u4fe1\u606f\u7684\u6b63\u6587\u3002.<\/p><\/blockquote>\n<p>\u5982\u679c\u63a5\u53d7\uff0cSMTP \u670d\u52a1\u5668\u5c06\u8fd4\u56de 250 OK \u56de\u590d\uff0c\u5982\u679c\u4ea4\u6613\u5931\u8d25\u6216\u4e0d\u5b8c\u6574\uff0c\u5219\u8fd4\u56de\u9519\u8bef\u4ee3\u7801\u3002\u8bf7\u6ce8\u610f\u62a5\u6587\u6b63\u6587\u884c\u5c3e\u7684\u53e5\u53f7\u5b57\u7b26\uff0c\u53ea\u6709\u5f53\u5728\u67d0\u4e00\u884c\u53d1\u73b0\u53e5\u53f7\u5b57\u7b26\u65f6\uff0c\u670d\u52a1\u5668\u624d\u4f1a\u505c\u6b62\u76d1\u542c\u6570\u636e\u3002\u5982\u679c\u53d1\u9001\u65b9\u670d\u52a1\u5668\u53d1\u9001\u7684\u62a5\u6587\u4f1a\u5bfc\u81f4\u6570\u636e\u4f1a\u8bdd\u8fc7\u65e9\u5173\u95ed\uff0c\u90a3\u4e48\u5728\u62a5\u6587\u5305\u542b\u4e00\u4e2a\u53e5\u70b9\u5b57\u7b26\u7684\u4e00\u884c\u4e2d\uff0c\u5e94\u5728\u8be5\u884c\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u989d\u5916\u7684\u53e5\u70b9\u5b57\u7b26\u3002.<\/p>\n<p><b>\u7ed3\u675f\u4ea4\u6613<\/b><\/p>\n<p>\u5728\u6b64\u4e4b\u524d\u53d1\u9001\u5230\u63a5\u6536 SMTP \u670d\u52a1\u5668\u7684\u6240\u6709\u4fe1\u606f\u90fd\u5c06\u88ab\u89c6\u4e3a\u4e00\u6b21\u6027\u4fe1\u606f\u3002\u5982\u679c\u5728\u8fde\u63a5\u5173\u95ed\u524d\u6ca1\u6709\u53d1\u9001 \u2018QUIT\u2019\uff08\u9000\u51fa\uff09\u547d\u4ee4\uff0c\u76ee\u6807\u670d\u52a1\u5668\u5c06\u76f4\u63a5\u5220\u9664\u5df2\u5b58\u50a8\u7684\u90ae\u4ef6\u6570\u636e\u3002QUIT \u547d\u4ee4\u6700\u521d\u662f\u7528\u6765\u4f18\u96c5\u5730\u5173\u95ed\u8fde\u63a5\u7684\uff0c\u73b0\u5728\u901a\u5e38\u7528\u6765\u8868\u793a\u4ea4\u6613\u5df2\u5b8c\u6210\uff0c\u8bb8\u591a\u90ae\u4ef6\u670d\u52a1\u5668\u90fd\u4f1a\u7b49\u5f85 QUIT \u547d\u4ee4\uff0c\u7136\u540e\u518d\u5c06\u90ae\u4ef6\u6392\u961f\u7b49\u5f85\u6d88\u606f\u4f20\u8f93\u4ee3\u7406\u8def\u7531\u3002\u53d1\u9001 QUIT \u547d\u4ee4\u540e\uff0c\u76ee\u6807\u670d\u52a1\u5668\u5e94\u53d1\u9001 221 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People would leave messages for one another using a number of different methods on mainframe computers but it wasn&#8217;t until August 1982 when the Information Sciences Institute published The Simple Mail Transfer Protocol (SMTP; RFC 821) that a standardized method <a href=\"https:\/\/www.smtp-server.net\/zh\/att-smtp-%e6%9c%8d%e5%8a%a1%e5%99%a8-smtp-%e5%8d%8f%e8%ae%ae\/\" rel=\"nofollow\"><span class=\"sr-only\">Read more about Att SMTP Server &#8211; The SMTP Protocol<\/span>[...]<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-71","post","type-post","status-publish","format-standard","hentry","category-smtp-servers"],"_links":{"self":[{"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/posts\/71","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/comments?post=71"}],"version-history":[{"count":1,"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/posts\/71\/revisions"}],"predecessor-version":[{"id":72,"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/posts\/71\/revisions\/72"}],"wp:attachment":[{"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/media?parent=71"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/categories?post=71"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.smtp-server.net\/zh\/wp-json\/wp\/v2\/tags?post=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}