Revision as of 03:31, 24 July 2011 by ZhangHuangbin
In /etc/dovecot.conf or /etc/dovecot/dovecot.conf, change mail_debug to yes, then restart dovecot service.
mail_debug = yes
If you need authentication and password related debug message, turn on related settings:
auth_verbose = yes auth_debug = yes auth_debug_passwords = yes auth_verbose_passwords = yes