#Oct 25 06:13:28 nada dovecot: imap(fredrik)<24465><CRYxlSXPtyEuOxpv>: Connection closed (LIST finished 0.620 secs ago) in=50 out=4460 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0

^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([[:alnum:]]+\):\<[[:alnum:]]+\>\<[[:alnum:]]+\> Connection closed.*