In your maillog, at /var/log/maillog, you may see a warning error similar to this: server dovecot: config: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:104: ssl_ca_file has been replaced by ssl_ca = <file This is easily fixed in Webmin by going to Webmin > Servers > Dovecot IMAP/POP3 Server and clicking the [Edit […]
Dovecot
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