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root@MEMail:/var/www/sites/meproduction.org/api/mail# tail -f /var/log/syslog
Oct  5 16:27:32 MEMail dovecot: imap(sysadmin@meproduction.org): Server shutting down. in=8995 out=32779
Oct  5 16:27:32 MEMail dovecot: imap(ethan.manzi@meproduction.org): Server shutting down. in=461 out=2444
Oct  5 16:27:32 MEMail dovecot: imap(ethan.manzi@meproduction.org): Server shutting down. in=1228 out=2983
Oct  5 16:27:32 MEMail dovecot: imap(android@meproduction.org): Server shutting down. in=254 out=1652
Oct  5 16:27:32 MEMail dovecot: imap(sysadmin@meproduction.org): Server shutting down. in=3777 out=14218
Oct  5 16:27:32 MEMail dovecot: imap(doggy@meproduction.org): Server shutting down. in=461 out=2308
Oct  5 16:27:32 MEMail dovecot: imap(android@meproduction.org): Server shutting down. in=528 out=2488
Oct  5 16:27:32 MEMail systemd[1]: Stopped Dovecot IMAP/POP3 email server.
Oct  5 16:27:32 MEMail systemd[1]: Started Dovecot IMAP/POP3 email server.
Oct  5 16:27:32 MEMail dovecot: master: Dovecot v2.2.33.2 (d6601f4ec) starting up for imap, lmtp (core dumps disabled)
^C
root@MEMail:/var/www/sites/meproduction.org/api/mail# systemctl status postfix
● postfix.service - LSB: Postfix Mail Transport Agent
   Loaded: loaded (/etc/init.d/postfix; generated)
   Active: active (exited) since Fri 2018-10-05 16:27:29 EDT; 7min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 13655 ExecStop=/etc/init.d/postfix stop (code=exited, status=0/SUCCESS)
  Process: 13664 ExecStart=/etc/init.d/postfix start (code=exited, status=0/SUCCESS)
    Tasks: 0 (limit: 3571)
   CGroup: /system.slice/postfix.service

Oct 05 16:27:29 meproduction.org systemd[1]: Starting LSB: Postfix Mail Transport Agent...
Oct 05 16:27:29 meproduction.org systemd[1]: Started LSB: Postfix Mail Transport Agent.
root@MEMail:/var/www/sites/meproduction.org/api/mail# systemctl status dovecot
● dovecot.service - Dovecot IMAP/POP3 email server
   Loaded: loaded (/lib/systemd/system/dovecot.service; enabled; vendor preset: enabled)
   Active: active (running) since Fri 2018-10-05 16:27:32 EDT; 7min ago
     Docs: man:dovecot(1)
           http://wiki2.dovecot.org/
  Process: 13681 ExecStop=/usr/bin/doveadm stop (code=exited, status=0/SUCCESS)
 Main PID: 13684 (dovecot)
    Tasks: 4 (limit: 3571)
   CGroup: /system.slice/dovecot.service
           ├─13684 /usr/sbin/dovecot -F
           ├─13695 dovecot/anvil
           ├─13696 dovecot/log
           └─13698 dovecot/config

Oct 05 16:27:32 meproduction.org systemd[1]: Stopped Dovecot IMAP/POP3 email server.
Oct 05 16:27:32 meproduction.org systemd[1]: Started Dovecot IMAP/POP3 email server.
Oct 05 16:27:32 meproduction.org dovecot[13684]: master: Dovecot v2.2.33.2 (d6601f4ec) starting up for imap, lmtp (core dumps disabled)
root@MEMail:/var/www/sites/meproduction.org/api/mail# tail -f /var/log/mail.log
Oct  5 16:27:32 MEMail dovecot: imap(doggy@meproduction.org): Server shutting down. in=98 out=536
Oct  5 16:27:32 MEMail dovecot: imap(ethan.manzi@meproduction.org): Server shutting down. in=179 out=775
Oct  5 16:27:32 MEMail dovecot: imap(sysadmin@meproduction.org): Server shutting down. in=8995 out=32779
Oct  5 16:27:32 MEMail dovecot: imap(ethan.manzi@meproduction.org): Server shutting down. in=461 out=2444
Oct  5 16:27:32 MEMail dovecot: imap(ethan.manzi@meproduction.org): Server shutting down. in=1228 out=2983
Oct  5 16:27:32 MEMail dovecot: imap(android@meproduction.org): Server shutting down. in=254 out=1652
Oct  5 16:27:32 MEMail dovecot: imap(sysadmin@meproduction.org): Server shutting down. in=3777 out=14218
Oct  5 16:27:32 MEMail dovecot: imap(doggy@meproduction.org): Server shutting down. in=461 out=2308
Oct  5 16:27:32 MEMail dovecot: imap(android@meproduction.org): Server shutting down. in=528 out=2488
Oct  5 16:27:32 MEMail dovecot: master: Dovecot v2.2.33.2 (d6601f4ec) starting up for imap, lmtp (core dumps disabled)
^C          
root@MEMail:/var/www/sites/meproduction.org/api/mail# tail -f /var/log/mail.err
Oct  5 16:05:18 MEMail sendmail[5645]: unable to qualify my own domain name (MEMail) -- using short name
Oct  5 16:05:28 MEMail sendmail[6036]: My unqualified host name (MEMail) unknown; sleeping for retry
Oct  5 16:05:39 MEMail sendmail[6085]: My unqualified host name (MEMail) unknown; sleeping for retry
Oct  5 16:06:28 MEMail sendmail[6036]: unable to qualify my own domain name (MEMail) -- using short name
Oct  5 16:06:39 MEMail sendmail[6085]: unable to qualify my own domain name (MEMail) -- using short name
Oct  5 16:08:58 MEMail sendmail[7147]: My unqualified host name (MEMail) unknown; sleeping for retry
Oct  5 16:09:58 MEMail sendmail[7147]: unable to qualify my own domain name (MEMail) -- using short name
Oct  5 16:20:01 MEMail sm-msp-queue[11135]: My unqualified host name (MEMail) unknown; sleeping for retry
Oct  5 16:21:01 MEMail sm-msp-queue[11135]: unable to qualify my own domain name (MEMail) -- using short name
Oct  5 16:26:10 MEMail sm-mta[13155]: w95K6dd8006406: SYSERR(root): mail.meproduction.org. config error: mail loops back to me (MX problem?)
^C
root@MEMail:/var/www/sites/meproduction.org/api/mail#