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Whitelist Send mail from bogum mail adresses

Discussion in 'Plesk for Linux - 8.x and Older' started by knocx, Apr 1, 2007.

  1. knocx

    knocx Guest

    Whitelist and clients can send mail from bogusmail adresses


    on client php scripts we observe that people can send mail from forged mail adressess, since is in whitelist

    i.e a message from user@gmail.com to user@hotmail.com is relayed where user@gmail.com is a forged originator

    or from support@paypal.com

    since this is a serious security issue and hard to catch is there a way to restrict this action?

    i donts understand why is Qmail relaying user@gmail.com, it shouldnt be allowed , by logic relay allowance priority should be based on "allowed hosts" rather than the trusted IP( am i wrong? ...however it works the opposite.

    any ideas / suggestions will be great