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Spam Bypassing MX Record

Discussion in 'Workarounds and Optimization' started by acenetryan, Apr 10, 2008.

  1. acenetryan

    acenetryan Well-Known Member
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    We use a Barracuda spam firewall to filter spam. However, some spam bypasses the filter by sending directly to the site's IP instead of to the MX record. I'm looking for a way to deny mail sent directly to the server. The catch is I need to be able to do this on a per domain basis, not all domains on the server utilize the Barracuda firewall.

    I'm guessing this will require custom exim.conf modifications. Anyone know if this functionality is possible via a cPanel-sanctioned method? We'd like the changes to persist across cPanel updates.

    Sorry if this is posted elsewhere. Hard to search for results when a key term is "MX" and the forums require a minimum search length of 3 characters.
     
  2. Daniel W

    Daniel W Member

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    #2 Daniel W, Apr 10, 2008
    Last edited: Apr 11, 2008
  3. acenetryan

    acenetryan Well-Known Member
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  4. Floyd R Turbo

    Floyd R Turbo Member

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    @acenetryan @acenetgeorge (I mentioned you because ryan seems to have not been on in a while) is this still a good method of performing this? I am having the identical issue and am being told that I can't whitelist only messages coming from the filtering service's IP address for only one domain on a shared server, but it seems that your method would do exactly that.
     
  5. cPanelMichael

    cPanelMichael Forums Analyst
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