Postfix suddently stops logging on CentOS – rsyslog versus journalctl
Issue Encountered Postfix works but doesn’t seem to log anymore. tail -f /var/log/maillog shows nothing and nor does /var/log/mail.log. Sadly, this used to work. Eventually
dovecot: pop3-login: Fatal: Dovecot version mismatch: Master is v2.3.2, pop3-login is v2.3.2.1 (if you don’t care, set version_ignore=yes)
Whilst running a Dovecot system, you might experience the following error in your log file: Jul 13 09:25:02 hostname dovecot: pop3-login: Fatal: Dovecot version mismatch:
SSL error: No path found from the leaf certificate to any root
Before you used Gmail to retrieve your email from a Virtualmin server. It suddenly stops working and you see this error in Gmail: SSL Security