02-20-2010 2:04 PM
02-20-2010 5:13 PM
02-20-2010 5:18 PM
02-20-2010 7:43 PM
02-21-2010 10:02 AM
02-21-2010 10:48 AM
02-21-2010 10:52 AM
02-23-2010 11:02 AM - last edited on 09-12-2013 10:37 AM by ATTMarianaCM
The error message 551 not our customer is a response that came from the AT&T Yahoo! remote e-mail server and it only affects Bellsouth members that are migrated to Yahoo! and are using client e-mail software such as Outlook and Outlook Express.
This issue has already been resolved as of February 22, 2010 12:38:00 PM CST. If you cannot still send e-mail, please make sure that you use the following server settings:
Incoming Server: pop.att.yahoo.com;
Outgoing Server: smtp.att.yahoo.com;
Outgoing server (SMTP) requires authentication box is checked.
Otherwise, you may contact our AT&T eChat help desk for further assistance by clicking the link below.
Welcome to the internet boards! Check out our troubleshooting articles below and don’t forget to search the forums - your question may have been answered already!
Service acting up? Click here to troubleshoot now!
© 2017 AT&T Intellectual Property.This link will open a new window All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.
Congratulations! You earned the Liz badge!