[116917] in North American Network Operators' Group
RE: MTAs used
daemon@ATHENA.MIT.EDU (Deepak Jain)
Wed Aug 26 16:10:43 2009
From: Deepak Jain <deepak@ai.net>
To: "Valdis.Kletnieks@vt.edu" <Valdis.Kletnieks@vt.edu>, Sharef Mustafa
<sharef.mustafa@paltel.net>
Date: Wed, 26 Aug 2009 16:09:30 -0400
In-Reply-To: <14510.1251316871@turing-police.cc.vt.edu>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> Now, did you want that in terms of "number of copies installed" or
> "amount of mail handled"? There's probably zillions of little Fedora
> and
> Ubuntu boxes running whatever MTA came off the disk that are handling 1
> or 2 pieces of mail a day, and then there's whatever backends are used
> by MSN/Hotmail, Yahoo, AOL, etc. "This MTA packed by weight, not by
> volume.
> Some settling of contents may have occurred during shipping and
> spamming."
>=20
> (Seriously - if 95% of the mail out there is spam, then the top 4-5
> MTAs are probably the ratware that's sending out the spam. Something
> to consider...)
In keeping with this concept, and turning it around. What MTA is exposed to=
the most spam? (1-x) That should tell you what MTA handles the most "good"=
mail by also being the destination for the most spam (good, live recipient=
s).
Or I could be missing something well known about mail flows.
Deepak
