Re: UBE from root!

From: mouss (no email)
Date: Tue May 22 2007 - 09:50:50 EDT

  • Next message: mouss: "Re: Maildir settings problem"

    Rocco Scappatura wrote:
    > My postfix setup is Postfix+Amavisd-new as explained in the
    > README.Postfix file of the README directory of Amavisd-new source.. So I
    > suppose that you refer at the content_filter :
    >
    > content_filter = smtp-amavis:[127.0.0.1]:10024
    >
    > It seem to me that this is the only external content filter that acts on
    > the messages.
    >
    > So, if you say that the gulty of blocking root messages is an external
    > content filter, I infere that it can only be Amavisd-new..
    >

    - you should not use REJECT in amavisd-new. either PASS or DISCARD.
    otherwise, you will backscatter innocent people when sender is forged.

    - you can whitelist system mail either by setting
        -o content_filter=
    under "pickup" in master.cf. This means that mean submitted via the
    sendmail command will not be filtered. whether this is appropriate
    depends on your setup (if you have a php mailer on the system, you may
    not want disabling the filter).

    - or you can whitelist these in amavisd-new itself. read amavisd-new
    docs or ask on its ML.


  • Next message: mouss: "Re: Maildir settings problem"





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