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Thread: [SOLVED] Keeping spam from being sent as an internal user

  1. #1
    MrHighTech is offline Starter Member
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    Jun 2009
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    Question [SOLVED] Keeping spam from being sent as an internal user

    I manage a domain for which relaying to outside addresses is disabled. However, I get a lot of spam coming with the from: being users of the internal domain.

    subject: I've got an offer for you that you can't refuse! :P

    I use port 465 to support external, authenticated access to the MTA.

    Is there any way I can force mail sent "presumedly" from the internal domain to be rejected on port 25 and thus only get them from the authenticated port ?

  2. #2
    nrgyz is offline Intermediate Member
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    Dec 2008
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    This has already been answered here.

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