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spam problem - my ip is blacklisted

Discussion in 'E-mail Discussions' started by mpi, Nov 14, 2007.

  1. mpi

    mpi Well-Known Member

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    spamhaus recently blacklisted my ip and now ALOT of important emails are getting bounced back.

    what is the first step to finding out the source of the spam? this is a fresh RHEL 5 system.

    1. i've already checked through 5 or 6 online external relay scripts and they all verified that it was not an open relay.

    2. i've got iptables enabled

    3. i edited antivirus.exim to log ALL the emails going through it and i didn't find any outgoing spam.

    one thing that i found weird but don't know how to review/examine are the exim log files...i'm looking at exim_mainlog right now and from 3 days ago until now, there is 7,000 lines in it...but they are mostly:
    "Could not complete sender verify callout"
    there are also some apparent "relay attempts" and "timeouts"

    can someone please point me in the right direction?

    P.S. just enabled spamhaus through WHM for the server own incoming email and wow, very big different, ALOT less spam, i recommend it to everyone!
     
    #1 mpi, Nov 14, 2007
    Last edited: Nov 14, 2007
  2. jayh38

    jayh38 Well-Known Member

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    I would suggest running CSFirewall. There are many features that enhance control / warnings relating to relaying. Also CMM and CMQ are nice tools for a start.

    www.configserver.com
     
  3. sarhosting

    sarhosting Well-Known Member

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    First off

    check spamhaus.org >> then follow the process for AutoMatic removal.
     
  4. brooktdf

    brooktdf Member

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    Definitely a very useful suggestions. I've had a same problem and didn't see any ways to solve. Now i hope this will help me.
     
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