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Can no longer send email using Mozilla Thunderbird client - can still receive...

I have U-verse Internet, use sbcglobal email address, recently stopped being able to send email from Thunderbird client.  I have gone through all the troubleshooting steps - reset password, reloaded the client, turned off firewall/virusscan, tried running in safe mode - still get same error. Fails c

Questions

 • AT&T Internet Security

2.4K

7

0

0

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How do I Set-Up my AT&T Email in Thunderbird?

How do I Set-Up my AT&T Email in Thunderbird?   Dmitriy

Questions

 • AT&T Internet Equipment

9.2K

5

0

Accepted Solution

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Thunderbird will not access outbound server

The message could not be sent using SMTP server outbound.att.net for an unknown reason. Please verify that your SMTP server settings are correct and try again, or contact your network administrator.

Questions

 • AT&T Internet Security

1.3K

1

0

0

Accepted Solution

Official Solution

Using 3rd Party E-mails with your AT&T Account

        If the previous steps did not help with your issue, please send a private message with your account number and contact details to ATTU-verseCare for further assistance. If you are not a member of the U-verse community forums, we welcome you to r

Questions

 • AT&T Internet Security

1.3K

1

0

0

Thunderbird Stopped Downloading Incoming Mail on June 8

I've been using the Thunderbird email client for a long time with no problems. On June 8 Thunderbird stopped receiving my att.net mail. I can send mail fine. I can receive att.net mail on the web, but not in Thunderbird. Was there some kind of change with att.net mail to cause this? I have Thunderbi

Questions

 • AT&T Internet Security

290

1

0

0

Thunderbird email application, can receive, cannot send.

I have used Thunderbird email for years. I have not changed password or settings.I can receive email but can no longer send. I get password error message.I have checked the server settings and they match the suggested settings.

Questions

 • AT&T Internet Security

96

1

0

0

Using Thunderbird with OAuth2

The instructions to set up Thunderbird to access att.net email insist that one needs a "secure email key". Apparently Thunderbird acquired the ability to use OAuth2 quite some time ago. I recommend updating the setup instructions here to show how to use that. Here's how it's done to access Gmail: ht

Questions

 • AT&T Internet Security

6.2K

6

0

Pop3 settings for inbound have stopped working

I have been in IT for over 25 years. I have had the occasional asking of the password but about 3 weeks ago it completely stopped working in outlook or anyother email client. It works with imap but not pop settings. I get this error: [POP3]  Connecting: Login to POP3 server failed due to the followi

Questions

 • AT&T Internet Security

2.1K

15

0

0

Have outgoing server settings changed?

I use Thunderbird (POP) to access yahoo mail.  Suddently it can no longer access the outgoing server.  Suggestions?

Questions

 • AT&T Internet Security

69

1

0

0

Thunderbird Won't Send Reliably to Bellsouth Account

I have used Thunderbird for years without difficulty on my Bellsouth account. The past few weeks it takes me several tries each time I want to send an email. Apparently Thunderbird is having trouble logging on to outbound.att.net or smtp.mail.att.net using port 465 or 587. It normally hangs with a m

Questions

 • AT&T Internet Security

127

4

0

0

Bellsouth.net Email - Sign-in Help, Questions, and Answers

Troubleshooting Bellsouth & SBCGlobal Email Addresses Announcement   AT&T is making your email experience more secure. A part of this change is a prompt requesting you re-enter your password which may affect your ability to sign-in to your email, especially if you cannot remember your

Questions

 • AT&T Mail Login & Security

433.9K

120

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