root@web1 [/var/log]# grep 1e4Ssq-00024N-Sp exim_mainlog
2017-10-17 10:30:17 1e4Ssq-00024N-Sp <= sean@cambiumgroup.com H=(CambiumHPLap) [66.189.134.51]:64993 P=esmtpsa X=TLSv1:DHE-RSA-AES256-SHA:256 A=dovecot_login:sean@cambiumgroup.com S=16442 id=077d01d34754$706f3e80$514dbb80$@cambiumgroup.com T="RE: Update on MMICGlobal" for JLumbra@mmicglobal.com scott@cambiumgroup.com
2017-10-17 10:30:17 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1e4Ssq-00024N-Sp
2017-10-17 10:30:17 1e4Ssq-00024N-Sp SMTP connection outbound 1508250617 1e4Ssq-00024N-Sp cambiumgroup.com jlumbra@mmicglobal.com
2017-10-17 10:30:19 1e4Ssq-00024N-Sp => scott <scott@cambiumgroup.com> R=virtual_user T=virtual_userdelivery
2017-10-17 10:30:25 1e4Ssq-00024N-Sp Remote host mx2-us1.ppe-hosted.com [148.163.129.51] closed connection in response to EHLO mmicglobal.com
2017-10-17 10:30:31 1e4Ssq-00024N-Sp Remote host mx2-us1.ppe-hosted.com [67.231.154.163] closed connection in response to EHLO mmicglobal.com
2017-10-17 10:30:36 1e4Ssq-00024N-Sp Remote host mx1-us1.ppe-hosted.com [67.231.154.162] closed connection in response to EHLO mmicglobal.com
2017-10-17 10:30:42 1e4Ssq-00024N-Sp Remote host mx1-us1.ppe-hosted.com [148.163.129.50] closed connection in response to EHLO mmicglobal.com
2017-10-17 10:30:42 1e4Ssq-00024N-Sp == jlumbra@mmicglobal.com <JLumbra@mmicglobal.com> R=lookuphost T=remote_smtp defer (-18): Remote host mx1-us1.ppe-hosted.com [148.163.129.50] closed connection in response to EHLO mmicglobal.com
2017-10-17 12:30:24 1e4Ssq-00024N-Sp Remote host mx1-us1.ppe-hosted.com [148.163.129.50] closed connection in response to EHLO mmicglobal.com
2017-10-17 12:30:31 1e4Ssq-00024N-Sp Remote host mx1-us1.ppe-hosted.com [67.231.154.162] closed connection in response to EHLO mmicglobal.com
2017-10-17 12:30:36 1e4Ssq-00024N-Sp Remote host mx2-us1.ppe-hosted.com [148.163.129.51] closed connection in response to EHLO mmicglobal.com
2017-10-17 12:30:42 1e4Ssq-00024N-Sp Remote host mx2-us1.ppe-hosted.com [67.231.154.163] closed connection in response to EHLO mmicglobal.com
2017-10-17 12:30:42 1e4Ssq-00024N-Sp == jlumbra@mmicglobal.com <JLumbra@mmicglobal.com> R=lookuphost T=remote_smtp defer (-18): Remote host mx2-us1.ppe-hosted.com [67.231.154.163] closed connection in response to EHLO mmicglobal.com