Yep, that's one way of doing it.
Just wondering if there's a more generic solution though. "Ban HTML
enabled email clients!" ;-)
--
Juha
:: -----Original Message-----
:: From: Dave C. [
mailto:djc@microwave.com]
:: Sent: Tuesday, 11 September 2001 11:04
:: To: Juha Saarinen
:: Cc: exim-users@???
:: Subject: Re: [Exim] Ideas to handle "confirm.to" style of
:: MIME/HTML abuse?
::
::
::
::
:: Block the individual IP or netblock of this webserver in
:: your upstream
:: router?
::
::
::
:: On Mon, 10 Sep 2001, Juha Saarinen wrote:
::
:: > I'm looking for filtering ideas to shortcircuit "services"
:: like this
:: > one:
www.confirm.to
:: >
:: > The "read receipt" is essentially a MIME'd attachment that
:: doesn't show
:: > up in Outlook XP or Outlook Express (unless you do Message
:: Properties in
:: > the latter), but Pine displays it as:
:: >
:: > <font size=+1><PRE>
:: > aksl
:: > </PRE>
:: > <img
:: >
:: src=
http://164.124.123.208/read/1000080733-7d0d40db6519a17d.e
:: 9b48f40e5b0
:: > 0d8e/someone
:: > @somewhere.com.confirm.postel.to width=0 height=0>
:: > </BODY>
:: > </HTML>
:: >
:: > The <PRE> tag obviously attempts to disguise the HTML nature of the
:: > message, and the whole scheme looks like a variation on
:: the single-pixel
:: > image file.
:: >
:: > @#$#@!!! HTML enabled mail clients...
:: >
:: >
:: > --
:: > Juha Saarinen
:: >
:: >
:: >
:: > --
:: > ## List details at
::
http://www.exim.org/mailman/listinfo/exim-:: users Exim details
:: at
http://www.exim.org/ ##
:: >
::
:: --
::
::
::
::
