[Exim] Ideas to handle "confirm.to" style of MIME/HTML abuse…

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Auteur: Juha Saarinen
Date:  
À: exim-users
Sujet: [Exim] Ideas to handle "confirm.to" style of MIME/HTML abuse?
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.e9b48f40e5b0
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