mail.centos.org : packets to strange ports

[Always Learning <centos@xxxxxxxxxxx>]

Reading a daily Logwatch report I noticed mail.centos.org
sending packets to my outgoing mail server. The packets were blocked by
IPtables.

>From 72.26.200.202 - 18 packets
       To xx.xx.xx.xx - 18 packets
          Service: 33120 (tcp/33120) - 2 packets
          Service: 33906 (tcp/33906) - 4 packets
          Service: 39856 (tcp/39856) - 2 packets
          Service: 42049 (tcp/42049) - 2 packets
          Service: 54517 (tcp/54517) - 2 packets
          Service: 54792 (tcp/54792) - 4 packets
          Service: 58445 (tcp/58445) - 2 packets

I thought all outgoing mail dialogue was conducted on port 25. Incoming
mail from Centos is usually received by a different server.



Thanks,

Paul.


-- 
With best regards,

Paul.
England,
EU.


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