^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: (Connection|Disconnected), ip=\[[.:[:alnum:]]+\]$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: LOGIN, user=[-_.@[:alnum:]]+, ip=\[[.:[:alnum:]]+\], port=\[[0-9]+\], protocol=IMAP$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: (LOGOUT|TIMEOUT|DISCONNECTED), user=[-_.@[:alnum:]]+, ip=\[[.:[:alnum:]]+\], headers=[0-9]+, body=[0-9]+, rcvd=[0-9]+, sent=[0-9]+, time=[0-9]+$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: (Connection|Disconnected), ip=\[[.:[:alnum:]]+\]$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: LOGIN, user=[-_.@[:alnum:]]+, ip=\[[.:[:alnum:]]+\], port=\[[0-9]+\], protocol=IMAP$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: (LOGOUT|TIMEOUT|DISCONNECTED), user=[-_.@[:alnum:]]+, ip=\[[.:[:alnum:]]+\], headers=[0-9]+, body=[0-9]+, rcvd=[0-9]+, sent=[0-9]+, time=[0-9]+, starttls=[01]$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: couriertls: read: Connection timed out$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ imapd: couriertls: accept: Connection reset by peer$