grep "dsn=2.0.0, status=sent (delivered to maildir)" * | wc -l
7814

grep "NOQUEUE: reject: RCPT" * | wc -l
13338

grep "dsn=2.0.0, status=sent (250 2.0.0 from MTA(" * | wc -l
8839

Aug 10 10:48:24 mail postfix/smtpd[7159]: NOQUEUE: reject: RCPT from unknown[112.198.103.178]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [112.198.103.178]; from=<fqdbscjuvyae@geuzenhuis.be> to=<eddie@mydomain.com> proto=ESMTP helo=<112.198.103.178>
Aug 10 10:48:24 mail postfix/smtpd[7159]: NOQUEUE: reject: RCPT from unknown[112.198.103.178]: 454 4.7.1 <duncan@developco.freeserve.co.uk>: Relay access denied; from=<fqdbscjuvyae@geuzenhuis.be> to=<duncan@developco.freeserve.co.uk> proto=ESMTP helo=<112.198.103.178>
Aug 10 10:48:24 mail postfix/smtpd[7159]: NOQUEUE: reject: RCPT from unknown[112.198.103.178]: 454 4.7.1 <djg@developdeploystrategy.co.uk>: Relay access denied; from=<fqdbscjuvyae@geuzenhuis.be> to=<djg@developdeploystrategy.co.uk> proto=ESMTP helo=<112.198.103.178>
Aug 10 10:48:24 mail postfix/smtpd[7159]: disconnect from unknown[112.198.103.178]