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  1. #1
    Join Date
    May 2006
    Posts
    307

    spaming from my domain

    We have required "authentication" when sending emails, and make sure no one in my server sending spam. But today, I received many returned emails, for "[email protected]", "[email protected]", "[email protected]"... you can see the address before @mydomain.com is randomly.

    How can I prevent this kind of spamming?
    Traditional music traveling

  2. #2
    Join Date
    Apr 2003
    Location
    San Jose, CA.
    Posts
    1,622
    From the sounds of what you've described... you can't.

    You can't really do anything to prevent someone from sending out mail forged to use an address from your domain.

    It should be fairly easily identifyable from the headers in the bounce messages that the origin of the emails are not from your server.

    One thing you can do which will help recipients more easily flag those messages as spam is to setup SPF records for your domain.

  3. #3
    Join Date
    May 2006
    Posts
    307
    No, these messages are not from my server. It seems an automated thing from somewhere else... My domain has SPF record already
    Traditional music traveling

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