Maillog:

Apr 17 05:34:32 sm-mta[905]: gethostbyaddr(62.205.227.97) failed: 1
Apr 17 05:34:33 sm-mta[906]: starting daemon (8.14.2): SMTP+queueing@00:30:00
Apr 17 05:34:33 sm-mta[906]: NOQUEUE: SYSERR(root): opendaemonsocket: daemon MSA: cannot bind: Address already in use
Apr 17 05:34:33 sm-mta[906]: daemon MSA: problem creating SMTP socket
Apr 17 05:34:33 sm-msp-queue[910]: starting daemon (8.14.2): queueing@00:30:00
Apr 17 05:34:33 sm-msp-queue[911]: m3H83Xs6002398: to=root, ctladdr=root (0/0), delay=02:31:00, xdelay=00:00:00, mailer=relay, pri=212539, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]
Apr 17 05:34:33 sm-msp-queue[911]: m3H83WvV002352: to=root, ctladdr=root (0/0), delay=02:31:01, xdelay=00:00:00, mailer=relay, pri=315619, relay=[127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]
Apr 17 05:34:38 sm-mta[906]: NOQUEUE: SYSERR(root): opendaemonsocket: daemon MSA: cannot bind: Address already in use
Apr 17 05:34:38 sm-mta[906]: daemon MSA: problem creating SMTP socket
Apr 17 05:34:43 sm-mta[906]: NOQUEUE: SYSERR(root): opendaemonsocket: daemon MSA: cannot bind: Address already in use