{"id":1625,"date":"2026-07-26T11:18:27","date_gmt":"2026-07-26T03:18:27","guid":{"rendered":"https:\/\/www.loongdi.net\/blog\/?p=1625"},"modified":"2026-07-26T11:18:27","modified_gmt":"2026-07-26T03:18:27","slug":"smtp%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%80%8e%e4%b9%88%e6%90%ad%e5%bb%ba%e5%92%8c%e4%bd%bf%e7%94%a8%e5%91%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.loongdi.net\/blog\/1625.html","title":{"rendered":"SMTP\u670d\u52a1\u5668\u600e\u4e48\u642d\u5efa\u548c\u4f7f\u7528\u5462\uff1f"},"content":{"rendered":"<p><p>\u672c\u6587\u5c06\u5411\u60a8\u4ecb\u7ecd\u5982\u4f55\u642d\u5efa\u548c\u4f7f\u7528SMTP\u670d\u52a1\u5668\u3002SMTP\uff08Simple Mail Transfer Protocol\uff09\u662f\u7528\u4e8e\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u7684\u534f\u8bae\u3002\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Postfix\u4f5c\u4e3aSMTP\u670d\u52a1\u5668\u8f6f\u4ef6\uff0c\u5728Linux\u670d\u52a1\u5668\u4e0a\u5b8c\u6210\u642d\u5efa\u3002<\/p>\n<\/p>\n<p><h2>\u64cd\u4f5c\u524d\u7684\u51c6\u5907<\/h2>\n<\/p>\n<p><p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\uff1a<\/p>\n<\/p>\n<ul>\n<li>\u8fd0\u884cLinux\u64cd\u4f5c\u7cfb\u7edf\u3002<\/li>\n<li>\u62e5\u6709root\u6743\u9650\u3002<\/li>\n<li>\u5df2\u5b89\u88c5Apache\u6216Nginx\u7b49Web\u670d\u52a1\u5668\uff08\u53ef\u9009\uff0c\u7528\u4e8eWebmail\u8bbf\u95ee\uff09\u3002<\/li>\n<\/ul>\n<p><h2>\u642d\u5efaSMTP\u670d\u52a1\u5668<\/h2>\n<\/p>\n<p><h3>1. \u5b89\u88c5Postfix<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Postfix\uff1a<\/p>\n<\/p>\n<p><pre><code>sudo apt-get update<\/p>\r\n<p>sudo apt-get install postfix<\/code><\/pre>\n<\/p>\n<p><p>\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u9009\u62e9\u90ae\u4ef6\u6536\u53d1\u65b9\u5f0f\u3002\u9009\u62e9\u201cInternet Site\u201d\u5e76\u6309\u56de\u8f66\u3002<\/p>\n<\/p>\n<p><h3>2. \u914d\u7f6ePostfix<\/h3>\n<\/p>\n<p><p>\u7f16\u8f91Postfix\u7684\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code>sudo nano \/etc\/postfix\/main.cf<\/code><\/pre>\n<\/p>\n<p><p>\u6839\u636e\u4ee5\u4e0b\u914d\u7f6e\u8fdb\u884c\u4fee\u6539\uff1a<\/p>\n<\/p>\n<ul>\n<li>\u627e\u5230\u201cmyhostname\u201d\u884c\uff0c\u5c06\u5176\u4fee\u6539\u4e3a\u60a8\u7684\u57df\u540d\u6216\u670d\u52a1\u5668\u4e3b\u673a\u540d\u3002<\/li>\n<li>\u627e\u5230\u201cmydomain\u201d\u884c\uff0c\u5c06\u5176\u4fee\u6539\u4e3a\u60a8\u7684\u57df\u540d\u3002<\/li>\n<li>\u627e\u5230\u201cmyorigin\u201d\u884c\uff0c\u5c06\u5176\u4fee\u6539\u4e3a\u201c$mydomain\u201d\u3002<\/li>\n<li>\u627e\u5230\u201cinet_interfaces\u201d\u884c\uff0c\u5c06\u5176\u4fee\u6539\u4e3a\u201call\u201d\u6216\u201clocalhost\u201d\u3002<\/li>\n<li>\u627e\u5230\u201cmydestination\u201d\u884c\uff0c\u786e\u4fdd\u5b83\u5305\u542b\u201c$myhostname, localhost.$mydomain, $mydomain\u201d\u3002<\/li>\n<\/ul>\n<p><p>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><h3>3. \u91cd\u542fPostfix\u670d\u52a1<\/h3>\n<\/p>\n<p><p>\u91cd\u542fPostfix\u670d\u52a1\u4ee5\u5e94\u7528\u914d\u7f6e\u66f4\u6539\uff1a<\/p>\n<\/p>\n<p><pre><code>sudo systemctl restart postfix<\/code><\/pre>\n<\/p>\n<p><h2>\u6d4b\u8bd5SMTP\u670d\u52a1\u5668<\/h2>\n<\/p>\n<p><h3>1. \u4f7f\u7528telnet\u6d4b\u8bd5<\/h3>\n<\/p>\n<p><p>\u6253\u5f00\u7ec8\u7aef\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6d4b\u8bd5SMTP\u670d\u52a1\u5668\uff1a<\/p>\n<\/p>\n<p><pre><code>telnet localhost 25<\/code><\/pre>\n<\/p>\n<p><p>\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u4ea4\u4e92\uff1a<\/p>\n<\/p>\n<ul>\n<li>HELO example.com<\/li>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.loongdi.net\/blog\/wp-content\/uploads\/2026\/03\/mg5IZnSq9.jpg\" alt=\"SMTP\u670d\u52a1\u5668\u600e\u4e48\u642d\u5efa\u548c\u4f7f\u7528\u5462\uff1f\" title=\"SMTP\u670d\u52a1\u5668\u600e\u4e48\u642d\u5efa\u548c\u4f7f\u7528\u5462\uff1f\"><\/p>\n<li>MAIL FROM: &lt;your_email@example.com&gt;<\/li>\n<li>RCPT TO: &lt;recipient_email@example.com&gt;<\/li>\n<li>DATA<\/li>\n<li>Subject: Test Email<\/li>\n<li>Message body text<\/li>\n<li>.<\/li>\n<li>QUIT<\/li>\n<\/ul>\n<p><p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u5c06\u770b\u5230\u90ae\u4ef6\u53d1\u9001\u6210\u529f\u7684\u6d88\u606f\u3002<\/p>\n<\/p>\n<p><h3>2. \u4f7f\u7528\u90ae\u4ef6\u5ba2\u6237\u7aef\u6d4b\u8bd5<\/h3>\n<\/p>\n<p><p>\u5728\u90ae\u4ef6\u5ba2\u6237\u7aef\u4e2d\u914d\u7f6eSMTP\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bbe\u7f6e\uff1a<\/p>\n<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u5730\u5740\uff1alocalhost<\/li>\n<li>\u7aef\u53e3\u53f7\uff1a25\uff08\u6216465\uff0c\u4f7f\u7528SSL\uff09<\/li>\n<li>\u7528\u6237\u540d\uff1a\u60a8\u7684\u90ae\u7bb1\u8d26\u53f7<\/li>\n<li>\u5bc6\u7801\uff1a\u60a8\u7684\u90ae\u7bb1\u5bc6\u7801<\/li>\n<\/ul>\n<p><p>\u5c1d\u8bd5\u53d1\u9001\u4e00\u5c01\u6d4b\u8bd5\u90ae\u4ef6\uff0c\u786e\u4fdd\u90ae\u4ef6\u53ef\u4ee5\u6210\u529f\u53d1\u9001\u3002<\/p>\n<\/p>\n<p><h2>\u6ce8\u610f\u4e8b\u9879<\/h2>\n<\/p>\n<ul>\n<li>\u786e\u4fdd\u60a8\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u9075\u5b88\u53cd\u5783\u573e\u90ae\u4ef6\u89c4\u5219\uff0c\u4ee5\u907f\u514d\u88ab\u6807\u8bb0\u4e3a\u5783\u573e\u90ae\u4ef6\u3002<\/li>\n<li>\u5b9a\u671f\u66f4\u65b0Postfix\u8f6f\u4ef6\uff0c\u4ee5\u4fee\u590d\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<li>\u8003\u8651\u4f7f\u7528SSL\/TLS\u52a0\u5bc6SMTP\u8fde\u63a5\uff0c\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<p><h2>\u603b\u7ed3<\/h2>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u642d\u5efa\u4e86\u4e00\u4e2aSMTP\u670d\u52a1\u5668\u3002\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u5f00\u59cb\u4f7f\u7528\u5b83\u6765\u53d1\u9001\u548c\u63a5\u6536\u7535\u5b50\u90ae\u4ef6\u4e86\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c06\u5411\u60a8\u4ecb\u7ecd\u5982\u4f55\u642d\u5efa\u548c\u4f7f\u7528SMTP\u670d\u52a1\u5668\u3002SMTP\uff08Simple Mail Transfer Protocol\uff09\u662f\u7528\u4e8e\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u7684\u534f\u8bae\u3002\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Postfix\u4f5c\u4e3aSMTP\u670d\u52a1\u5668\u8f6f\u4ef6\uff0c\u5728Linux\u670d\u52a1\u5668\u4e0a\u5b8c\u6210\u642d\u5efa\u3002 \u64cd\u4f5c\u524d\u7684&#8230;<\/p>\n","protected":false},"author":1,"featured_media":16,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"topic":[],"class_list":["post-1625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hw"],"_links":{"self":[{"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/posts\/1625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/comments?post=1625"}],"version-history":[{"count":1,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/posts\/1625\/revisions"}],"predecessor-version":[{"id":1626,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/posts\/1625\/revisions\/1626"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/media\/16"}],"wp:attachment":[{"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/media?parent=1625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/categories?post=1625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/tags?post=1625"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.loongdi.net\/blog\/wp-json\/wp\/v2\/topic?post=1625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}