[68160] in North American Network Operators' Group
Re: SPAM Prevention/Blacklists
daemon@ATHENA.MIT.EDU (Nathan Allen Stratton)
Wed Mar 3 18:33:51 2004
Date: Wed, 3 Mar 2004 18:32:47 -0500 (EST)
From: Nathan Allen Stratton <nathan@robotics.net>
To: Scott Call <scall@devolution.com>
Cc: nanog@merit.edu
In-Reply-To: <Pine.LNX.4.33L2.0403031454570.19462-100000@twomix.devolution.com>
Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 3 Mar 2004, Scott Call wrote:
> On Wed, 3 Mar 2004, Nathan Allen Stratton wrote:
>
> > Have you look at graylisting, temp failing mail with a sender/receiver/IP
> > you have not seen before?
>
> I don't know what the prevailing attitude is, but it seems to me
> that 451ing unknown senders is a good way to get on the bad side of
> sysadmins who have to deal with the backlog until your server decides to
> accept them.
Well every valid to/from/ip gets thrown in mysql any new message with that
same to/from/ip would never be delayed again. Also I temp fail before the
DATA phase so body is not sent twice and I only temp fail for 5 min.
><>
Nathan Stratton CTO, Co-Founder
nathan at robotics.net BroadVoice, Inc.
http://www.robotics.net http://www.broadvoice.com
