Re: Rejecting viruses the Right Way[tm]

From: Paul Johnson (baloo_at_ursine.ca)
Date: 02/14/04

  • Next message: Paul Johnson: "Re: Rejecting viruses the Right Way[tm]" 
    Date: Sat, 14 Feb 2004 13:37:32 -0800
To: debian-user@lists.debian.org

    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA1

    On Thu, Feb 12, 2004 at 10:18:32PM -0800, Karsten M. Self wrote:
    > > If a message is either rejected (during the SMTP dialog) or bounced
    > > (after accepting and queueing the message) then the same innocent
    > > third party receives some junk mail.[1] The difference is only in
    > > which server is sending the bounce message.
    >
    > Not so.
    >
    > Few viral SMTP servers will generate and forward a bounce.
    >
    > SMTP servers holding an open connection with the originating MUA (or the
    > virus itself) will pass the reject message to the originating client.
    >
    > Only misconfigured smarthosts will generate a spurious bounce.

    Which is what I was counting on, more or less, when I came up with the
    exim/clamav sollution.

    - --
     .''`. Paul Johnson <baloo@ursine.ca>
    : :' :
    `. `'` proud Debian admin and user
      `- Debian - when you have better things to do than fix a system
    -----BEGIN PGP SIGNATURE-----
    Version: GnuPG v1.2.4 (GNU/Linux)

    iD8DBQFALpUcUzgNqloQMwcRAngAAJ40PGbTuX/re15mqwVJMfgSbNtq9wCfepJP
    b/K749RgvRIboirdrDLXDYY=
    =oZJd
    -----END PGP SIGNATURE----- 

    -- 
To UNSUBSCRIBE, email to debian-user-request@lists.debian.org 
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org
  • Next message: Paul Johnson: "Re: Rejecting viruses the Right Way[tm]"

    Relevant Pages

    • Re: extracting email address out of message body
      ... your vba worked virtually flawlessly. ... as the majority of bounce ... instead of a separate bounce message per address in that domain. ... I am seeing that a lot of these bounces use some kind of character that ...
      (microsoft.public.access.queries)
    • Re: mailing list
      ... >of the last bounce message we've received from all addresses. ... All they can tell me is that the "standard spam filter" ... To UNSUBSCRIBE, email to debian-user-request@lists.debian.org ...
      (Debian-User)
    • Re: Sending Email using ActiveX Script task
      ... When a message is bounced, the receiving server will send the bounce message to whatever address is in the From: ... Set oMail = CreateObject ...
      (microsoft.public.sqlserver.dts)
    • Re: Rejecting viruses the Right Way[tm]
      ... >> which server is sending the bounce message. ... Same with spam, it is the actual spammer who will get the rejection. ...
      (Debian-User)
    • Re: Supress Blackberry bounce messages
      ... the blackberry copy is bounced by the blackberry ... forwards the bounce message back to the sender. ...
      (microsoft.public.exchange.admin)