Nov 13 02:00:38 mail postfix/smtpd[5365]: NOQUEUE: reject: RCPT from unknown[10.1.25.31]: 550 <leonardb@pcns.internal>: Recipient address rejected: User unknown in local recipient table; from=<leonardb@gmail.com> to=<leonardb@pcns.internal> proto=SMTP helo=<10.1.25.31>
Nov 13 02:00:45 mail postfix/smtpd[5365]: lost connection after RCPT from unknown[10.1.25.31]
Nov 13 02:00:45 mail postfix/smtpd[5365]: disconnect from unknown[10.1.25.31]
Nov 13 02:04:44 mail postfix/smtpd[5391]: connect from unknown[10.1.25.100]
Nov 13 02:04:44 mail postfix/smtpd[5391]: NOQUEUE: reject: RCPT from unknown[10.1.25.100]: 550 <leonardb@pcns.internal>: Recipient address rejected: User unknown in local recipient table; from=<leonardb@pcnetsources.com> to=<leonardb@pcns.internal> proto=ESMTP helo=<pcnetsources.com>
Nov 13 02:04:44 mail postfix/smtpd[5391]: disconnect from unknown[10.1.25.100]
Nov 13 02:16:31 mail postfix/qmgr[5363]: AFC6CC74F9: from=<>, size=2055, nrcpt=1 (queue active)