[107542] in North American Network Operators' Group
Re: SMTP rate-limits [Was: Re: ingress SMTP]
daemon@ATHENA.MIT.EDU (Tony Finch)
Fri Sep 5 11:41:46 2008
Date: Fri, 5 Sep 2008 16:41:30 +0100
From: Tony Finch <dot@dotat.at>
To: Michael Thomas <mike@mtcc.com>
In-Reply-To: <48C14628.2050601@mtcc.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
On Fri, 5 Sep 2008, Michael Thomas wrote:
>
> I thought that these bot nets were so massive that it is pretty
> easy for them to fly under the radar for quotas, rate limiting, etc.
> Not that all bot nets are created equal, and there aren't local hot
> spots for whatever reason, but putting on the brakes in a way that
> users wouldn't feel pain is simply not going to make any appreciable
> difference in the overall mal-rate.
Right.
In practice the rate of delivery failures is a more useful indication of
spam than the overall email rate.
Tony.
--
f.anthony.n.finch <dot@dotat.at> http://dotat.at/
IRISH SEA: NORTHEASTERLY BACKING NORTHERLY 6 TO GALE 8, BUT CYCLONIC 5 IN
SOUTH AT FIRST. MODERATE BECOMING ROUGH. SQUALLY SHOWERS. MODERATE OR GOOD.
