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Re: Postfix 2.3.7 available

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  • Robert Schetterer
    ... Hi Wietse, ok thx to make this clear -- Mit freundlichen Gruessen Best Regards Robert Schetterer https://www.schetterer.org Munich/Bavaria/Germany -- Diese
    Message 1 of 4 , Feb 1, 2007
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      Wietse Venema schrieb:
      > Robert Schetterer:
      >>> Incompatible changes with Postfix 2.3.7
      >>> ---------------------------------------
      >>>
      >>> Postfix no longer inserts an empty-line header/body separator into
      >>> malformed MIME attachments, to avoid breaking digital signatures.
      >>>
      >>> This change introduces ambiguity. Postfix still treats the remainder
      >>> of the attachment as body content; header_checks rules will therefore
      >>> not detect forbidden MIME types inside a message/rfc822 attachment.
      >>>
      >>> With the empty-line header/body separator no longer inserted by
      >>> Postfix, other software may process the malformed attachment
      >>> differently, and thus may become exposed to forbidden MIME types.
      >> Hi @ll
      >> please corect me if iam wrong
      >> just a small understanding question
      >>
      >> changes 20070112
      >> "will not" break such rules in body_checks
      >>
      >> /^((Content-(Disposition: attachment;|Type:).*|\ +)| *)(file)?name\ *=\
      >> *"?.*\.(lnk|asd|ocx|reg|bat|c[ho]m|cmd|exe|dll|.....etc
      >>
      >> should i be aware of other bugs with filters like clamsmtp, spampd etc
      >> with this change
      >
      > As documented they DID NOT work in a MALFORMED attachment and they
      > STILL DO NOT work in a MALFORMED attachment.
      >
      > Wietse
      >
      > --
      > Diese Nachricht wurde auf Viren und andere gefährliche Inhalte untersucht
      > und ist - aktuelle Virenscanner vorausgesetzt - sauber.
      >
      Hi Wietse, ok thx to make this clear

      --
      Mit freundlichen Gruessen
      Best Regards

      Robert Schetterer

      https://www.schetterer.org
      Munich/Bavaria/Germany

      --
      Diese Nachricht wurde auf Viren und andere gef�hrliche Inhalte untersucht
      und ist - aktuelle Virenscanner vorausgesetzt - sauber.
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