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Is my server being used as relay? (mail log file included)

if so, how do I stop it?

   
4:55 pm on Mar 16, 2008 (gmt 0)



On my mail log I see some "relaying denied" entries but then I saw this:

Mar 16 08:45:47 myservername sendmail[15652]: m2GCj*****: from=<*****@randomdomain.com>, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, relay=[IP.***.***.**]

Is my server being used as a relay? If yes, how do I stop it? I use sendmail /webmin.

any help would be greatly appreciated, as this might get me in trouble with ISPs.

11:16 pm on Mar 17, 2008 (gmt 0)



Have you missed off any of the log line? I don't see what action the server took.
3:12 pm on Mar 18, 2008 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



That from= line is just the attempt. If it's accompanied by relaying denied, it's fine. If the attempt was successful, there would be a to= line with the same m2GCj* message ID.
4:32 pm on Mar 18, 2008 (gmt 0)



thanks guys, I will check it.
 

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