failregex = ^%(pid)s %(host_info)ssender verify fail for <\S+>: (?:Unknown user|Unrouteable address|all relevant MX records point to non-existent hosts)\s*$
Aug 10 10:55:38 f-vanier-bourgeois postfix/smtpd[2162]: NOQUEUE: reject: VRFY from 72-53-132-234.cpe.distributel.net[72.53.132.234]: 550 5.1.1 : Recipient address rejected: User unknown in local recipient tab
Dec 25 02:35:54 platypus postfix/smtpd[9144]: improper command pipelining after RSET from 173-10-140-217-BusName-washingtonDC.hfc.comcastbusiness.net[173.10.140.217]