{"id":103,"date":"2021-02-23T03:32:59","date_gmt":"2021-02-23T08:32:59","guid":{"rendered":"https:\/\/www.tocobee.com\/?p=103"},"modified":"2021-03-04T16:38:51","modified_gmt":"2021-03-04T21:38:51","slug":"%e8%a8%ad%e5%ae%9a%e5%82%99%e4%bb%bd%e9%83%b5%e4%bb%b6%e4%bc%ba%e6%9c%8d%e5%99%a8-setup-postfix-backup-mail-server","status":"publish","type":"post","link":"https:\/\/www.tocobee.com\/?p=103","title":{"rendered":"\u8a2d\u5b9a\u5099\u4efd\u90f5\u4ef6\u4f3a\u670d\u5668( setup postfix backup mail server )"},"content":{"rendered":"

\u5efa\u4e86\u5169\u53f0email server, \u4e00\u53f0\u505a\u4e3b\u6a5fIP:123.123.123.123<\/span>, \u4e00\u53f0\u505a\u5099\u6a5fIP:456.456.456.456<\/span><\/p>\n

\u5169\u90e8\u6a5f\u5668\u539f\u4f86\u5c31\u90fd\u53ef\u4ee5\u5bc4\u4fe1<\/p>\n

\u7b2c\u4e00\u6b65\u5c31\u662f\u53bbDNS\u7ba1\u7406\u4e2d\u5fc3\u50cf\u6211\u662f\u5728godaddy,<\/p>\n

\u9078\u5230your-domain.com\u52a0\u500bMX\u7d00\u9304\u7d66\u5099\u6a5f\u00a0 \u00a0 MX\u00a0 mx2.your-domain.com<\/p>\n

\u63a5\u8457\u958b\u59cb\u8a2d\u5b9amain.cf , \u628a##########\u4e0b\u9762\u9019\u4e9b\u52a0\u9032\u53bb<\/p>\n

\u4e0d\u904e\u8981\u6ce8\u610f\u9019\u4e9b\u53c3\u6578\u6709\u6c92\u6709\u548c\u539f\u4f86\u7684\u91cd\u8907, \u6709\u7684\u8a71\u52a0#\u628a\u539f\u4f86\u7684\u505c\u7528<\/p>\n

\u5099\u4efd\u6a5f \/etc\/postfix\/main.cf<\/p>\n

##########################################<\/p>\n

relay_domains = your-domain.com
\nmyhostname = mx2.your-domain.com
\nmydestination = $myhostname, mx2.your-domain.com , localhost, localhost.localdomain, localhost
\nrelay_recipient_maps = hash:\/etc\/postfix\/relay_recipients
\n#\u555f\u52d5TLS\u52a0\u5bc6 \u9019\u500b\u6211\u6709\u8cb7ssls.com\u7684 ssl\u7db2\u9801\u52a0\u5bc6, \u76f4\u63a5\u7528\u5c31\u597d\u4e86
\nsmtpd_tls_cert_file=\/etc\/ssl\/mx2_your-domain_com_key.crt
\nsmtpd_tls_key_file=\/etc\/ssl\/mx2_your-domain_com_key.txt
\nsmtpd_tls_security_level=may
\nsmtpd_tls_protocols = !SSLv2, !SSLv3 !TLSv1
\nsmtpd_tls_loglevel = 1
\nmynetworks = 127.0.0.0\/8 [::ffff:127.0.0.0]\/104 [::1]\/128 123.123.123.123<\/span><\/p>\n

##########################################<\/p>\n

\u5132\u5b58\u5c31\u597d, \u4e0d\u6025\u8457\u91cd\u555f<\/p>\n

\u5efa\/etc\/postfix\/relay_recipients \u6a94
\nnano \/etc\/postfix\/relay_recipients
\n\u628a\u4e0b\u9762\u5167\u5bb9\u52a0\u5165\u683c\u5f0f\u5c31 email ok<\/p>\n

user1@your-domain.com OK
\nuser2@your-domain.com OK
\nuser3@your-domain.com OK<\/p>\n

\u586b\u5b8c\u5f8c\u8981\u8dd1\u4e0b\u5217\u9019\u884c\u5beb\u5165
\nsudo postmap \/etc\/postfix\/relay_recipients
\n\u91cd\u555fpostfix
\nsudo systemctl restart postfix<\/p>\n

\u6e2c\u8a66
\necho “hello” | sendmail you@your-domain.com
\n\u7136\u5f8c\u53bb\u770b \/var\/log\/mail.log
\n\u6703\u770b\u5230Verified TLS connection established<\/p>\n

<\/p>\n

\u63a5\u4e0b\u4f86\u8a2d\u5b9a\u4e3b\u90f5\u4ef6\u4f3a\u670d\u5668<\/p>\n

\u4e3b\u90f5\u4ef6\u4f3a\u670d\u6a5f\u8a2d\u5b9a \/etc\/postfix\/main.cf<\/p>\n

smtp_fallback_relay = [456.456.456.456<\/span>]:25<\/p>\n

\u91cd\u555f\u4e3b\u4f3a\u670d\u5668postfix
\nsudo systemctl restart postfix<\/p>\n

 <\/p>\n

\u5927\u81f4\u53c3\u8003\u9019\u4e00\u7bc7 How to Set up a Backup Email Server with Postfix on Ubuntu (Complete Guide)<\/a><\/p>\n

\u5c31\u5148\u8dd1\u4e00\u9663\u5b50\u518d\u770b\u770b!!<\/p>\n

 <\/p>\n

(\u5099\u8a3b\u4e00\u4e0b, \u56e0\u70ba\u6703\u548c\u4e3b\u8981\u4f3a\u670d\u5668\u505async, \u8981\u6ce8\u610f\u4e00\u4e0b\u6d41\u91cf, \u9019\u6b21\u6c92\u6ce8\u610f\u88abVPS\u696d\u8005\u4ee5\u70ba\u6211\u5728\u767c\u5783\u573e\u4fe1)<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5efa\u4e86\u5169\u53f0email server, \u4e00\u53f0\u505a\u4e3b\u6a5fIP:123.123.123.123, \u4e00\u53f0\u505a\u5099\u6a5fIP:456.456.456.456 \u5169\u90e8\u6a5f\u5668\u539f\u4f86\u5c31\u90fd\u53ef\u4ee5\u5bc4\u4fe1 \u7b2c\u4e00\u6b65\u5c31\u662f\u53bbDNS\u7ba1\u7406\u4e2d\u5fc3\u50cf\u6211\u662f\u5728godaddy, \u9078\u5230your-domain.com\u52a0\u500bMX\u7d00\u9304\u7d66\u5099\u6a5f\u00a0 \u00a0 MX\u00a0 mx2.your-domain.com \u63a5\u8457\u958b\u59cb\u8a2d\u5b9amain.cf , \u628a##########\u4e0b\u9762\u9019\u4e9b\u52a0\u9032\u53bb \u4e0d\u904e\u8981\u6ce8\u610f\u9019\u4e9b\u53c3\u6578\u6709\u6c92\u6709\u548c\u539f\u4f86\u7684\u91cd\u8907, \u6709\u7684\u8a71\u52a0#\u628a\u539f\u4f86\u7684\u505c\u7528 \u5099\u4efd\u6a5f \/etc\/postfix\/main.cf ########################################## relay_domains = your-domain.com myhostname = mx2.your-domain.com mydestination = $myhostname, mx2.your-domain.com , localhost, localhost.localdomain, localhost relay_recipient_maps = hash:\/etc\/postfix\/relay_recipients #\u555f\u52d5TLS\u52a0\u5bc6 \u9019\u500b\u6211\u6709\u8cb7ssls.com\u7684 ssl\u7db2\u9801\u52a0\u5bc6, \u76f4\u63a5\u7528\u5c31\u597d\u4e86 smtpd_tls_cert_file=\/etc\/ssl\/mx2_your-domain_com_key.crt smtpd_tls_key_file=\/etc\/ssl\/mx2_your-domain_com_key.txt smtpd_tls_security_level=may smtpd_tls_protocols = !SSLv2, …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-103","post","type-post","status-publish","format-standard","hentry","category-2"],"_links":{"self":[{"href":"https:\/\/www.tocobee.com\/index.php?rest_route=\/wp\/v2\/posts\/103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tocobee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tocobee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tocobee.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tocobee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=103"}],"version-history":[{"count":6,"href":"https:\/\/www.tocobee.com\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/www.tocobee.com\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions\/158"}],"wp:attachment":[{"href":"https:\/\/www.tocobee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tocobee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tocobee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}