ajayan.a@bh-in-6 [~]# sudo cat /var/log/exim_mainlog | grep goloffshore.com | grep 2015-10-19 | grep reject 2015-10-19 09:47:35 1Zo722-001wKm-7T ** hitendra_patel@goloffshore.com R=lookuphost T=remote_smtp H=mail1.goloffshore.com [61.8.149.12]: SMTP error from remote mail server after RCPT TO:<hitendra_patel@goloffshore.com>: 550 #5.1.0 Address rejected. 2015-10-19 09:48:11 1Zo72s-001x0H-Fi ** hitendra_patel@goloffshore.com R=lookuphost T=remote_smtp H=mail1.goloffshore.com [61.8.149.12]: SMTP error from remote mail server after RCPT TO:<hitendra_patel@goloffshore.com>: 550 #5.1.0 Address rejected. ajayan.a@bh-in-6 [~]# sudo cat /var/log/exim_mainlog | grep goloffshore.com | grep 2015-10-20 | grep rejected 2015-10-20 11:55:23 1ZoVVC-0015eV-0i ** hitendra_patel@goloffshore.com R=lookuphost T=remote_smtp H=mail1.goloffshore.com [61.8.149.12]: SMTP error from remote mail server after RCPT TO:<hitendra_patel@goloffshore.com>: 550 #5.1.0 Address rejected. 2015-10-20 11:56:23 1ZoVW4-0016Fg-Qx ** hitendra_patel@goloffshore.com R=lookuphost T=remote_smtp H=mail1.goloffshore.com [61.8.149.12]: SMTP error from remote mail server after RCPT TO:<hitendra_patel@goloffshore.com>: 550 #5.1.0 Address rejected.