[134395] in North American Network Operators' Group
Re: sudden low spam levels?
daemon@ATHENA.MIT.EDU (Steven Bellovin)
Wed Jan 5 15:01:52 2011
From: Steven Bellovin <smb@cs.columbia.edu>
In-Reply-To: <20110103180455.GS12141@sizone.org>
Date: Wed, 5 Jan 2011 15:01:42 -0500
To: Ken Chase <ken@sizone.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jan 3, 2011, at 1:04 55PM, Ken Chase wrote:
> I have two independent mailservers, and two other customers that run =
their own
> servers, all largely unrelated infrastructures and target domains, =
suddenly
> experiencing low levels of spam.
>=20
> Total emails/day dropping from some 175,000-250,000ish to 50-75,000ish =
(legit
> mail in the 2-5,000 per day, yes I have some high spam:legit =
customers...). 3
> days in a row now at least, at quick glance.
>=20
> Did someone set up them the bomb?
See http://krebsonsecurity.com/2011/01/taking-stock-of-rustock/ for a =
discussion of recent spam level trends.
--Steve Bellovin, http://www.cs.columbia.edu/~smb
