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postfix-mta - 配置 Postfix 中继主机

转载 作者:行者123 更新时间:2023-12-01 13:58:03 26 4
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我正在尝试配置 postfix 以在/etc/postfix/main.cf 中使用中继主机:

relayhost = [mailtrap.io]:2525
smtp_sasl_auth_enable = yes
smtp_sasl_mechanism_filter = plain
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd

通过 telnet localhost 25 发送电子邮件后,postfix 日志显示:

Mar 20 10:49:52 hydra postfix/smtpd[19898]: connect from localhost[127.0.0.1]
Mar 20 10:49:52 hydra postfix/smtpd[19898]: improper command pipelining after MAIL from localhost[127.0.0.1]
Mar 20 10:49:52 hydra postfix/smtpd[19898]: 5F9BC2C30A1: client=localhost[127.0.0.1]
Mar 20 10:49:52 hydra postfix/cleanup[19902]: 5F9BC2C30A1: message-id=<20120320084952.5F9BC2C30A1@hydra>
Mar 20 10:49:52 hydra postfix/qmgr[19890]: 5F9BC2C30A1: from=<a@b.com>, size=290, nrcpt=1 (queue active)
Mar 20 10:49:52 hydra postfix/smtp[19904]: warning: SASL authentication failure: No worthy mechs found
Mar 20 10:49:52 hydra postfix/smtp[19904]: 5F9BC2C30A1: to=<c@d.com>, relay=mailtrap.io[176.9.59.220]:2525, delay=0.32, delays=0.19/0.01/0.13/0, dsn=4.7.0, status=deferred (SASL authentication failed; cannot authenticate to server mailtrap.io[176.9.59.220]: no mechanism available)

SMTP 服务器(中继主机)日志:

>>> EHLO hydra
250-Ok Helo 213.160.145.74, Mailtrap SMTP Server
250-AUTH PLAIN
250-NO-SOLICITING
250 SIZE 20000000
>>> QUIT
221 Ok

任何想法如何解决?

操作系统:ubuntu。

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