This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Mulongo oyo etiyamaki na archive. Tuna motuna mosusu soki osengeli na lisalisi

Thunderbird on new Windows Laptop

  • 3 biyano
  • 1 eza na nkokoso oyo
  • 7 views
  • Eyano yasuka ya david

W Faze
W Faze
more options

I have installed Thunderbird on a new (Windows 11) lap-top. When I get to "Account setup>>Set up existing email address", and enter my password, I get the response "Configuration found in Mozilla ISP database", but when I click "Done," there is a long hesitation on "Checking Password", and finally the message pops up "Unable to log in at server. Probably wrong configuration, username, or password." I know my username and password are correct. All configurations appear to match those on my old lap-top. Server is att.net.

I prefer Thunderbird for composing, reading, and replying to emails, and have a decade's worth filed and stored locally on an older lap-top, which I will want to import.

I have installed Thunderbird on a new (Windows 11) lap-top. When I get to "Account setup>>Set up existing email address", and enter my password, I get the response "Configuration found in Mozilla ISP database", but when I click "Done," there is a long hesitation on "Checking Password", and finally the message pops up "Unable to log in at server. Probably wrong configuration, username, or password." I know my username and password are correct. All configurations appear to match those on my old lap-top. Server is att.net. I prefer Thunderbird for composing, reading, and replying to emails, and have a decade's worth filed and stored locally on an older lap-top, which I will want to import.

All Replies (3)

david
david
  • Top 10 Contributor
more options

AT&T accounts require a secure mail key for TB instead of the account password. These links may help:

https://www.att.com/support/article/dsl-high-speed/KM1010523/ https://www.att.com/support/article/email-support/KM1240308/

W Faze
W Faze Nkolo motuna
more options

Thank you, I have now found my ATT mail key, created three years ago. Now, where do I enter that into my Thunderbird settings, in addition to or instead of a password.

my mail will work with either @sbcglobal.net or @att.net (or even @yahoo.com?), and I believe I first set up Thunderbird with the former. Does that matter?

david
david
  • Top 10 Contributor
more options

Did you check the URLs from my post? Take the secure mail key and enter in place of normal password.