[120040] in North American Network Operators' Group
Re: SPF Configurations
daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Tue Dec 8 11:43:49 2009
In-Reply-To: <alpine.LSU.2.00.0912081631570.6581@hermes-1.csi.cam.ac.uk>
Date: Tue, 8 Dec 2009 22:09:57 +0530
From: Suresh Ramasubramanian <ops.lists@gmail.com>
To: Tony Finch <dot@dotat.at>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Absolutely #3 - far more of a threat than #1 and #2.
On Tue, Dec 8, 2009 at 10:09 PM, Tony Finch <dot@dotat.at> wrote:
> Three :-)
>
>> 1. Forwarding users on your campus - with mailboxes that accept a lot
>> of spam and then forward it over to student / alumni AOL, Comcast,
>> Yahoo etc accounts
>> 2. Spam generated by infected PCs / laptops, hacked machines etc on
>> your campus LAN
>
> 3. Spammers abusing your webmail and/or remote message submission service
> using phished credentials.
--
Suresh Ramasubramanian (ops.lists@gmail.com)