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Cannot send mail with TB on laptop thru Yahoo server

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  • Last reply by sfhowes

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I suddenly cannot send mail from my laptop thru TB. I have no idea what happened. I changed my password on-screen attempting to login and clicked "allow password manager to save". It is stored: Settings > Passwords > Store passwords. My new password is stored there. Logins still always fail. The only way I can send mail is directly thru Yahoo Mail (ATT). There have been no issues with Norton AV.

Yahoo; Windows 11 (64-bit); Norton AntiVirus 22.23.3.27; Thunderbird 102.10.1 (64-bit)

See attached screenshot. Thank you

I suddenly cannot send mail from my laptop thru TB. I have no idea what happened. I changed my password on-screen attempting to login and clicked "allow password manager to save". It is stored: Settings > Passwords > Store passwords. My new password is stored there. Logins still always fail. The only way I can send mail is directly thru Yahoo Mail (ATT). There have been no issues with Norton AV. Yahoo; Windows 11 (64-bit); Norton AntiVirus 22.23.3.27; Thunderbird 102.10.1 (64-bit) See attached screenshot. Thank you
Attached screenshots

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If you changed the account password on the AT&T site, I think you have to create a new secure mail key and use that in TB instead of the password:

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