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How to stop Dictionary Name attack

Discussion in 'E-mail Discussions' started by Belaird, Jun 25, 2007.

  1. Belaird

    Belaird Well-Known Member

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    Trying to find away to change exim, mailscanner, or spamassasin to stop a sender from doing a dictionary name attack against a domain.
    My default setting is :fail:, but they are stuffing my queue with thousands of bounce emails which are undeliverable. I've also notice they seem to be using 2-3 sending domains to determine allowable email addresses, or do DDoS
     
  2. dalem

    dalem Well-Known Member
    PartnerNOC

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