root@server:/home/admin# tail -f /var/log/exim4/mainlog
2016-09-07 22:33:06 1bhOsE-0004e1-VJ SMTP error from remote mail server after MAIL FROM:<sonia_lawson@xxx-xxx.pl> SIZE=2307: host mta7.am0.yahoodns.net [63.250.192.46]: 421 4.7.1 [TS03] All messages from 37.59.121.209 will be permanently deferred; Retrying will NOT succeed. See https://help.yahoo.com/kb/postmaster/SLN3436.html
2016-09-07 22:33:06 1bhOsE-0004e1-VJ == rebatt2002@yahoo.com R=dnslookup T=remote_smtp defer (-45): SMTP error from remote mail server after MAIL FROM:<sonia_lawson@xxx-xxx.pl> SIZE=2307: host mta7.am0.yahoodns.net [63.250.192.46]: 421 4.7.1 [TS03] All messages from 37.59.121.209 will be permanently deferred; Retrying will NOT succeed. See https://help.yahoo.com/kb/postmaster/SLN3436.html
2016-09-07 22:33:06 1bh9oR-0000AG-AB SMTP error from remote mail server after MAIL FROM:<sharon_morales@xxx-xxx.pl> SIZE=2325: host mta6.am0.yahoodns.net [98.136.216.25]: 421 4.7.1 [TS03] All messages from 37.59.121.209 will be permanently deferred; Retrying will NOT succeed. See http://postmaster.yahoo.com/errors/421-ts03.html
2016-09-07 22:33:06 1bhdxF-0002qa-Ml Message is frozen
2016-09-07 22:33:06 1bguO6-0007jI-Ie Unfrozen by errmsg timer
2016-09-07 22:33:06 1bguO6-0007jI-Ie ** daniel_lopez@xxx-xxx.pl: Unrouteable address
2016-09-07 22:33:06 1bguO6-0007jI-Ie daniel_lopez@xxxj-xxx.pl: error ignored
2016-09-07 22:33:06 1bguO6-0007jI-Ie Completed
2016-09-07 22:33:07 1bh3wE-0006of-0R Message is frozen
2016-09-07 22:33:07 1bhOzm-0006BO-Jt SMTP error from remote mail server after MAIL FROM:<louise_peters@xxxx-xxx.pl> SIZE=2374: host mta6.am0.yahoodns.net [66.196.118.34]: 421 4.7.1 [TS03] All messages from 37.59.121.209 will be permanently deferred; Retrying will NOT succeed. See https://help.yahoo.com/kb/postmaster/SLN3436.html
2016-09-07 22:33:07 1bh9oR-0000AG-AB SMTP error from remote mail server after MAIL FROM:<sharon_morales@xxx-xxx.pl> SIZE=2325: host mta6.am0.yahoodns.net [66.196.118.34]: 421 4.7.1 [TS03] All messages from 37.59.121.209 will be permanently deferred; Retrying will NOT succeed. See https://help.yahoo.com/kb/postmaster/SLN3436.html
2016-09-07 22:33:08 1bhOzm-0006BO-Jt SMTP error from remote mail server after MAIL FROM:<louise_peters@xxx-xxx.pl> SIZE=2374: host mta6.am0.yahoodns.net [98.138.112.38]: 451 4.3.2 Internal error reading data
2016-09-07 22:33:08 1bhOzm-0006BO-Jt == putra_azmn@yahoo.com R=dnslookup T=remote_smtp defer (-45): SMTP error from remote mail server after MAIL FROM:<louise_peters@xxxx-xxx.pl> SIZE=2374: host mta6.am0.yahoodns.net [98.138.112.38]: 451 4.3.2 Internal error reading data
2016-09-07 22:33:08 1bhPeg-0006cm-P2 Message is frozen
2016-09-07 22:33:08 1bhW5U-00082T-IU Message is frozen
2016-09-07 22:33:08 1bhZc4-0002hW-Ts Message is frozen
2016-09-07 22:33:08 1bhS74-00084M-OF Message is frozen
2016-09-07 22:33:08 1bhB6Q-0002Sz-9L SMTP error from remote mail server after MAIL FROM:<rita_ryan@xxx-xxx.pl> SIZE=2290: host mta5.am0.yahoodns.net [98.136.217.202]: 421 4.7.1 [TS03] All messages from 37.59.121.209 will be permanently deferred; Retrying will NOT succeed. See https://help.yahoo.com/kb/postmaster/SLN3436.html
2016-09-07 22:33:08 1bh01i-0000BG-1F Unfrozen by errmsg timer
2016-09-07 22:33:08 1bh01i-0000BG-1F ** carole_ramsey@xxx-xxx.pl: Unrouteable address
2016-09-07 22:33:08 1bh01i-0000BG-1F carole_ramsey@xxxx-xxx.pl: error ignored
2016-09-07 22:33:08 1bh01i-0000BG-1F Completed
2016-09-07 22:33:08 1bgzaA-0002Ld-3h Unfrozen by errmsg timer
2016-09-07 22:33:08 1bgzaA-0002Ld-3h ** molly_romero@xxx-xxx.pl: Unrouteable address
2016-09-07 22:33:08 1bgzaA-0002Ld-3h molly_romero@xxx-xxx.pl: error ignored
2016-09-07 22:33:08 1bgzaA-0002Ld-3h Completed
2016-09-07 22:33:08 1bh3oU-0004uM-U9 Message is frozen
2016-09-07 22:33:08 1bhe2y-0003nx-7a Message is frozen
2016-09-07 22:33:08 1bhNxz-0000fg-GK == mikbuzz@aol.com R=dnslookup T=remote_smtp defer (-53): retry time not reached for any host
2016-09-07 22:33:08 1bh6mt-0007AC-45 Message is frozen
2016-09-07 22:33:08 1bhQq4-0007k6-VL Message is frozen
2016-09-07 22:33:08 1bgx6b-00047S-P7 Unfrozen by errmsg timer
2016-09-07 22:33:08 1bgx6b-00047S-P7 ** alice_walton@xxx-xxx.pl: Unrouteable address