Sep  3 17:44:34 box postfix/smtpd[21519]: 6E17420B1C: client=#hidden#, sasl_method=PLAIN, sasl_username=user@domain.tld
Sep  3 17:44:34 box postfix/cleanup[21525]: 6E17420B1C: message-id=<4C8118A7.9070808@domain.tld>
Sep  3 17:44:34 box pop3d-ssl: Connection, ip=[::ffff:#hidden#]
Sep  3 17:44:34 box postfix/qmgr[20300]: 6E17420B1C: from=<user@domain.tld>, size=860, nrcpt=1 (queue active)
Sep  3 17:44:34 box postfix/smtpd[21519]: disconnect from #hidden#
Sep  3 17:44:34 box postfix/virtual[21527]: 6E17420B1C: to=<alias@domain2.tld>, relay=virtual, delay=0.8, delays=0.63/0.04/0/0.14, dsn=5.1.1, status=bounced (unknown user: "alias@domain2.tld")
Sep  3 17:44:34 box postfix/cleanup[21525]: C717320B37: message-id=<20100903154434.C717320B37@box.domain.tld>
Sep  3 17:44:34 box postfix/qmgr[20300]: C717320B37: from=<>, size=2803, nrcpt=1 (queue active)
Sep  3 17:44:34 box postfix/bounce[21528]: 6E17420B1C: sender non-delivery notification: C717320B37
Sep  3 17:44:34 box postfix/qmgr[20300]: 6E17420B1C: removed
Sep  3 17:44:34 box postfix/virtual[21527]: C717320B37: to=<user@domain.tld>, relay=virtual, delay=0.15, delays=0.1/0/0/0.05, dsn=2.0.0, status=sent (delivered to maildir)
Sep  3 17:44:34 box postfix/qmgr[20300]: C717320B37: removed