This will test your password, and also the server ability to deliver mail, since webmail is just connecting to your server the same way as Outlook, etc. Next, try using the non-SSL settings, and see if you are able to login successfully. If you are, then most likely your ports are blocks (993 and 587).
Hi, Please verify your outlook settings again. Here are the steps to verify your email settings and a few more steps which may fix your issue.
In the User Information section: • Under Your Name field, type your name the way that you want it to appear to other people. • In the E-mail Address field, enter your full AT&T email address e.g.,. If you are setting up this account for an AT&T Email Alias, input the alias email address in this field.
In the Server Information section: • In the Account Type field, verify POP3 is displayed. • In the Incoming Mail (POP3 or IMAP) Server field, enter inbound.att.net • In the Outgoing Mail (SMTP) Server field, enter outbound.att.net In the Logon Information section: • In the User Name field, enter your full email address.
• In the Password: field, enter your password. If you are setting up this account for an AT&T Email Alias, input the full email address of the ID (Primary or Sub Account) associated with the email alias in this field. Do not input the email alias address in this field. • Select the Remember password check box. • Select More Settings. • Select the Outgoing Server tab.
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• Verify these settings: • The check box beside My outgoing server (SMTP) requires authentication is selected. • The radio button beside Use same settings as my incoming mail server is selected. • Select the Advanced tab. • Verify these settings: • The Incoming mail (POP3) should be port 995 and the check box next to This server requires a secure connection (SSL) is selected. • The Outgoing mail (SMTP) should be port 465 and the check box next to This server requires a secure connection (SSL) is selected.
• Click Next. • Click Finish. Now close Outlook and go to the link:, hover the mouse on More, select Member Center. If you are already logged in to your email it will ask you to re-login, otherwise you will be asked to enter your log in information Twice. You will land on the Account Information Page of your ATT/Yahoo email. Minimize the browser, open Outlook and try sending a test email to yourself.
If it is not working, Delete the account from Outlook and configure it again. I hope this will help!
The Mac Clients running Outlook 2011 are receiving the following error message randomly. The server for account 'MyCompany' returned the error 'Logon failure: unknown user name or bad password.' Your username/password or security settings may be incorrect. Would you like to try re-entering your password? The user needs to restart Outlook to get working again.
Our Infrastructure is - Exchange 2010 SP1 - One Front End and one BackEnd Server. Outlook 2010 Clients on Windows XP and Windows 2008 Terminal Servers - absolutely no issues here Outlook 2011 for Mac Clients on MAC OS X 10.6 - Randomly getting this error message, happening to all MAC users 3-4 times a day The server name configured in Outlook 2011 is., i have read in some forums including this one that it should be in following format - Can someone please explain this? I have tried enabling logging in Outlook and but nothing really there in the logs. Checked the IIS logs as well on CAS server.