If your mail server was working fine for some time, but suddenly you find the following error in the mail log, Aug 25 20:25:24 mx
If for any reason your Dovecot process is killed, you need to run the following command to restart it. sudo systemctl restart dovecot Instead of
Open Ports in Firewall (if you have enabled UFW) sudo ufw allow 80,443,587,465,143,993/tcp If you use POP3 to fetch emails, then also open port 110
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