Jan 17 19:16:37 mail postfix/smtpd[7288]: warning: hostname systemip7.example.com does not resolve to address 91.200.12.204
Jan 17 19:16:37 mail postfix/smtpd[7288]: connect from unknown[91.200.12.204]
Jan 17 19:16:41 mail postfix/smtpd[7288]: warning: unknown[91.200.12.204]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 17 19:16:41 mail postfix/smtpd[7288]: lost connection after AUTH from unknown[91.200.12.204]
Jan 17 19:16:41 mail postfix/smtpd[7288]: disconnect from unknown[91.200.12.204]
Jan 17 19:16:41 mail postfix/smtpd[7288]: connect from mail-vk0-f42.google.com[209.85.213.42]
Jan 17 19:16:42 mail postfix/smtpd[7288]: Anonymous TLS connection established from mail-vk0-f42.google.com[209.85.213.42]: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
Jan 17 19:16:42 mail postfix/smtpd[7288]: 9883E47328: client=mail-vk0-f42.google.com[209.85.213.42]
Jan 17 19:16:42 mail postfix/cleanup[7318]: 9883E47328: message-id=<CAJYOzS3zmGUq65O_SJLKv4dogk4DxOYQ+fd5RSe5Y4JJTrpQ=g@mail.gmail.com>
Jan 17 19:16:42 mail postfix/qmgr[1290]: 9883E47328: from=<lubomir@kurpel.eu>, size=2731, nrcpt=1 (queue active)
Jan 17 19:16:42 mail postfix/local[7319]: 9883E47328: to=<mpt@mpt.sk>, relay=local, delay=0.28, delays=0.26/0/0/0.01, dsn=2.0.0, status=sent (delivered to command: procmail -a "$EXTENSION")
Jan 17 19:16:42 mail postfix/qmgr[1290]: 9883E47328: removed
Jan 17 19:16:43 mail postfix/smtpd[7288]: disconnect from mail-vk0-f42.google.com[209.85.213.42]