Heads-up: AT&T apparently going to whitelist-only inbound mail

Tue Oct 21 21:24:13 UTC 2003

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Date: Tue, 21 Oct 2003 20:21:50 UT
Subject: *** ACTION: IP Address of Outbound SMTP Server Requested (Updated 10/21/03)
From: rm-antiattspam at ems.att.com

AT&T Business Partners & Customers

AT&T has received many of the requested IP addresses in response to an 
e-mail originally broadcast yesterday to our business partners and 
clients.  However, we have also received many concerned responses to 
the original request.

This 2nd e-mail is to let you know that this is a legitimate AT&T 
request asking for your cooperation, which will let us improve the 
service that AT&T offers you and that our partnership requires.   We 
have provided a toll-free number below to help you confirm the 
legitimacy of this request.

We have assembled the distribution list for this e-mail by looking up 
the administrative contacts for each of the known e-mail domains we 
currently exchange e-mail with, referencing WHOIS and other such 
services available via the Internet.

What AT&T is asking is for you to help AT&T to restrict incoming mail 
to just our known and trusted sources (e.g., business partners, clients 
and customers).  Therefore, we need to know which IP address(es) are 
used by your outbound e-mail service so we can selectively permit them. 
 Please send this information to the following e-mail address 
(rm-antiattspam at ems.att.com).

If you need assistance determining what these IP addresses are, please 
contact your company's administrative e-mail server support / network 
administration personnel.   We regret that AT&T is burdening you with 
this request, but our AT&T security team is advising that we take this 
step to help safeguard our e-mail systems, which ultimately will help 
us serve you better.

Please contact us with any concerns or questions:
AT&T Security Help Desk 1-800-456-4230, prompt 4 (8am - 10pm est)

Thank you for your prompt attention to this matter.  We appreciate your 
cooperation.

Sincerely,
Brian Williams, IP Network Services
Tim Scholl - District Manager, IP Network Services
Kevin O'Connell - Division Manager, Information Technology Services 
Engineering
Bill O'Hern - Division Manager, Network Security

----- Original Message (Sent Monday, 10/20/03) -----
AT&T has an urgent situation with our anti-spam list. In order to 
continue to allow email to AT&T you need to provide the IP addresses of 
all your outbound email gateways. If you do not respond immediately, 
your access may not continue. The required information should be sent 
to rm-antiattspam at ems.att.com.

----- End forwarded message -----