用Foxmail就正常使用。如果用手机自带的邮件功能,或者其他开发的软件的SMTP,就一直失败。然后我查看日志
Dec 13 21:07:29 S202101101660 postfix/smtpd[87737]: lost connection after STARTTLS from unknown[这里是IP]
Dec 13 21:07:29 S202101101660 postfix/smtpd[87737]: disconnect from unknown[这里是IP] ehlo=1 starttls=0/1 commands=1/2
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