【待反馈】自建的邮件服务器，单单接收不到脸书的邮件...

为了能快速了解并处理您的问题，请提供以下基础信息：

面板、插件版本：宝塔邮局管理器 5.0

系统版本：Ubuntu 20

问题描述：自建的邮件服务器，单单接收不到脸书的邮件，垃圾箱里都没有，也没有设置过邮件白名单啥的

相关截图（日志、错误）： connect from 69-171-232-134.mail-mail.facebook.com[69.171.232.134]

warning: connect to Milter service inet:127.0.0.1:11332: Connection refused

warning: error opening chain file: /etc/ssl/private/ssl-cert-snakeoil.key: No such file or directory

connect from azpdegc36.stretchoid.com[57.152.78.242]

warning: connect to Milter service inet:127.0.0.1:11332: Connection refused

lost connection after UNKNOWN from azpdegc36.stretchoid.com[57.152.78.242]

disconnect from azpdegc36.stretchoid.com[57.152.78.242] unknown=0/1 commands=0/1

SSL_accept error from 69-171-232-134.mail-mail.facebook.com[69.171.232.134]: -1

warning: TLS library problem: error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher:../ssl/statem/statem_srvr.c:2283:

lost connection after STARTTLS from 69-171-232-134.mail-mail.facebook.com[69.171.232.134]

disconnect from 69-171-232-134.mail-mail.facebook.com[69.171.232.134] ehlo=1 starttls=0/1 commands=1/2

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