sbcglobal.net, AT&T (This is what they claim.
Complaint 24524 Details

I received the following scam by email

From: ACCOUNT UPGRADE <[email protected]>
Subject: VERIFY YOUR SBCGLOBAL ACCOUNT NOW !!!
Date: October 6, 2011 2:45:38 AM PDT
Cc: recipient list not shown: ;
Reply-To: [email protected]

VERIFY YOUR SBCGLOBAL ACCOUNT NOW !!!

This is the last warning and mail to you from this company if you
don't give your information needed to enable us verify if you are
among the anonymous registration of SBCGLOBAL accounts users your account
will be shutting down after two days from today.

All SBCGLOBAL account owners,We are having congestion due to the
anonymous registration of SBCGLOBAL accounts so we are shutting down some
SBCGLOBAL accounts and your account was among those to be deleted.

We are sending you this email so that you can verify and let us know
if you still want to use this account,if you are still interested
please confirm your account by filling the space below.

Your User name,password,date of bith and your country information
would be needed to verify your account.....

Due to the congestion in all SBCGLOBAL users and removal of all unused
SBCGLOBAL Accounts, SBCGLOBAL would be shutting down all unused Accounts, You
will have to confirm your E-mail by filling out your Login Information
below after clicking the reply button, or your account will be
suspended within 48 hours for security reasons.

* Username:......
* Password:.........
* Date of Birth:.......
* Country Or Territory......

After following the instructions in the sheet, your account will not
be interrupted and will continue as normal. Thanks for your attention
to this request. We apologize for any inconveniences. Warning!!!
Account owner that refuses to update his/her account after two days of
receiving this warning stands the risk of lossing his or her account
permanently.

The SBCGLOBAL Management

FROM SBCGLOBAL ACCOUNT USERS MANAGEMENT