RE: [Exim] Brain Dead ISP's?

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Author: Leonardo Boselli
Date:  
To: exim-users
Subject: RE: [Exim] Brain Dead ISP's?
On 4 Jul 2003 at 21:38, Giuliano Gavazzi uploaded:

> At 15:00 -0500 2003/07/04, Cory Daehn wrote:
> >because it's not our server, first of all, and second, when we
> >assume, well, let's not get into the meaning of ass/u/me which the
> >ISP is guilty of. ;-)
> I am not sure you got my point. The problem lies with:
> >------ This is a copy of the message, including all the headers.
> >onmouseover=3D"window.status=3D'http://www.magazania.com';return
> >true;"=20
> >           onmouseout=3D"window.status=3D' ';return true;"=20
> >           href=3D"http://www.qksrv.net/click-1260876-35039"=20
> >           target=3D_blank><STRONG>Click here for<BR>MAGAZINE=20
> >           SUBSCRIPTIONS</STRONG><BR><BR><IMG alt=3D"Town And
> >           Country"=20
> >           src=3D"http://206.245.164.154/covers/00010052496009.gif"=2
> >           0

>
>                           ^^^^^^^^^^^^^^^

>
> whoever that server is, you can point an A record to it. Unless you
> have no control on any zone, in which case you will have to ask
> someone to do it for you.
>
> I must admit that the filter looks a bit strict, but at the same time
> IP addresses should not be used so lightly.


While for virtual servers and for e-mail use of a regular A record is
necessary, requiring it for other services is not required.
The MTA should not make its decision on accepting the message
based on the content of the body (in the worst case it could just add an
extra header with a warning).
Said that i should note that the example made looks as a real spam,
since after all it use a numeric address for a machine that has a regular
A record, pheraphs in a try to hidden the real address.
IMHO both of you are guilty !!!
--
Leonardo Boselli
Nucleo Informatico e Telematico del Dipartimento Ingegneria Civile
Universita` di Firenze , V. S. Marta 3 - I-50139 Firenze
tel +39 0554796431 cell +39 3488605348 fax +39 055495333
http://www.dicea.unifi.it/~leo