Jul 22 21:04:03 host postfix/smtpd[4100]: connect from mout3.freenet.de[2001:748:100:40::2:5]
Jul 22 21:04:03 host postgrey[2749]: action=pass, reason=triplet found, client_name=mout3.freenet.de, client_address=2001:748:100:40::2:5, sender=someone@freenet.de, recipient=someone@myserver.de
Jul 22 21:04:03 host postgrey[2749]: action=pass, reason=triplet found, client_name=mout3.freenet.de, client_address=2001:748:100:40::2:5, sender=someone@freenet.de, recipient=someone@myserver.de
Jul 22 21:04:03 host postfix/smtpd[4100]: NOQUEUE: reject: RCPT from mout3.freenet.de[2001:748:100:40::2:5]: 450 4.1.7 <someone@freenet.de>: Sender address rejected: unverified address: host emig.freenet.de[195.4.92.217] said: 457 Greylisted, please come back later. (in reply to RCPT TO command); from=<someone@freenet.de> to=<someone@myserver.de> proto=ESMTP helo=<mout3.freenet.de>
Jul 22 21:04:03 host postfix/smtpd[4100]: disconnect from mout3.freenet.de[2001:748:100:40::2:5]