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postcd
PostPosted: Thu Oct 23, 2014 12:53 pm 
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Newbie

Joined: Thu Oct 23, 2014 12:46 pm
Posts: 3
Please kindly anyone help me discover where is the hole in postfix / system?
After i installed zPanel on plain linux OS CentOS, and some days passed i found /var/spool/postfix/deferred folder is growing
Here are two example emails headers:
http://pastebin.com/ZXnk4q42

Can please anyone tell from headers on how i need to fix the hole? I dont want to ban IP or such, but prevent anyone can abuse it..

Thank you
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Main Street James
PostPosted: Sat Oct 25, 2014 8:45 am 
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Joined: Mon Jan 02, 2012 12:45 pm
Posts: 365
The first thing I would test for is an open relay. We can't test it for you because you provided no information identifying your domain, etc.
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postcd
PostPosted: Sun Oct 26, 2014 7:21 am 
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Joined: Thu Oct 23, 2014 12:46 pm
Posts: 3
Thanks, no it is nto an open relay and open resolver test is also negative. i tried multiple online testers..
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