[64420] in North American Network Operators' Group
Re: Heads-up: AT&T apparently going to whitelist-only inbound mail
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Wed Oct 22 16:52:07 2003
From: "Steven M. Bellovin" <smb@research.att.com>
To: nanog@nanog.org
In-Reply-To: Your message of "Wed, 22 Oct 2003 14:43:59 EDT."
<20031022184359.536CF7B43@berkshire.research.att.com>
Date: Wed, 22 Oct 2003 16:51:32 -0400
Errors-To: owner-nanog-outgoing@merit.edu
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Some people have been wondering if my statement was authentic,
authorized, etc. That's a fair question. I've pgp-signed this copy
of it; my public key is available via my Web page and via key servers
around the net. See http://www.internetnews.com/ent-news/article.php/3097171
for a news story with similar content.
>
> AT&T STATEMENT - CURRENT SPAM ATTACK - 10/22/03
>
>AT&T and a number of other large companies have seen a marked
>increase in the amount of incoming SPAM in recent days. A team of
>experts that includes members from AT&T Labs, Network Services,
>and Corporate Security has implemented a number of procedures to
>remediate this situation and minimize its impact on those trying
>to send e-mail to "att.com" addresses.
>
>As of this morning - Wednesday, October 22nd - the level of incoming
>e-mail messages is returning to normal and the situation appears
>to be well in hand. Although all AT&T e-mail servers are fully
>operational at this time, some incoming messages are experiencing
>intermittent delays as SPAM filtering continues at all network
>gateways.
>
>Customers who received e-mail bulletins from AT&T Monday and Tuesday
>requesting specific information are advised to disregard those
>messages. They were inadvertently sent out in error and we apologize
>for any confusion or inconvenience they may have caused.
>
Network reliability is one of our top priorities at AT&T, so for
>obvious reasons we will not be providing more detailed information
>regarding the specific security procedures implemented to curb this
>SPAM attack. We have no intention of helping those who generate
>this type of computer and Internet mischief.
>
--Steve Bellovin, http://www.research.att.com/~smb
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