2026-04-28 02:33PM
我把系统部署成功了,但是最后的时候发现发送邮件一直发送失败
2026/04/27 14:21:29 info connect to reception.mail-tester.com[134.98.158.159]:25: Connection timed out
2026/04/27 14:21:29 info connect to reception.mail-tester.com[134.98.158.159]:25: Connection timed out
2026/04/27 14:20:59 info connect to gmail-smtp-in.l.google.com[2404:6800:4008:c06::1a]:25: Network is unreachable
2026/04/27 14:20:59 info B3F6911F7BF: from=<info@meiyi.site>, size=1123, nrcpt=1 (queue active)
2026/04/27 14:20:59 info 6560912998F: from=<info@meiyi.site>, size=932, nrcpt=1 (queue active)
2026/04/27 14:15:22 info B3F6911F7BF: to=<test-c5gfsbz32@srv1.mail-tester.com>, relay=none, delay=31, delays=0.72/0.07/30/0, dsn=4.4.1, status=deferred (connect to reception.mail-tester.com[134.98.158.159]:25: Connection timed out)
2026/04/27 14:15:22 info connect to reception.mail-tester.com[134.98.158.159]:25: Connection timed out
2026/04/27 14:14:52 info disconnect from mailcowdockerized-sogo-mailcow-1.mailcowdockerized_mailcow-network[172.22.1.248] ehlo=1 auth=1 mail=1 rcpt=1 data=1 quit=1 commands=6
2026/04/27 14:14:52 info B3F6911F7BF: from=<info@meiyi.site>, size=1123, nrcpt=1 (queue active)
原因是因为:阿里云默认封禁TCP25端口出方向的访问流量,所以用户无法在阿里云上的云服务器通过TCP25端口连接外部地址。用户无法通过TCP25端口连接第三方邮件服务商的SMTP服务器对外部发送邮件
所以最终是又换了一个服务器。
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