iredmail-doc/9-troubleshooting/turn.on.debug.mode.in.dovecot.md

Turn on debug mode in Dovecot

To turn on debug mode in Dovecot, please update Dovecot config file /etc/dovecot/dovecot.conf (Linux/OpenBSD) or /usr/local/etc/dovecot/dovecot.conf (FreeBSD), set mail_debug to yes:

mail_debug = yes

Restart Dovecot service.

If you need authentication and password related debug message, turn on related settings and restart dovecot service.

auth_verbose = yes
auth_debug = yes
auth_debug_passwords = yes
auth_verbose_passwords = yes