Windows 10 bereikte EO (einde ondersteuning) op 14 oktober 2025. Als je Windows 10 gebruikt, lees dan dit artikel.

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Thunderbird email will not download or send

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mpusley
mpusley

All of a sudden my TB email will not download or send emails. When I try to download I get this message "Sending of password for user xxxxxx@swbell.net did not succeed. Mail server pop.att.yahoo.com responded: Server error - Please try again later." When I try to send an email I get "Login to server smtp.att.yahoo.com with username mpusley@swbell.net failed". I had AT&T change my password and I can login via web mail but then I can't see all my email folders. Server setting is pop.att.yahoo.com and smtp is smtp.att.yahoo.com

All of a sudden my TB email will not download or send emails. When I try to download I get this message "Sending of password for user xxxxxx@swbell.net did not succeed. Mail server pop.att.yahoo.com responded: Server error - Please try again later." When I try to send an email I get "Login to server smtp.att.yahoo.com with username mpusley@swbell.net failed". I had AT&T change my password and I can login via web mail but then I can't see all my email folders. Server setting is pop.att.yahoo.com and smtp is smtp.att.yahoo.com

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sfhowes
sfhowes
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The correct settings for swbell.net accounts are here:

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

POP: inbound.att.net on 995, SSL/TLS; outbound.att.net on 465, SSL/TLS.

Use IMAP to access all your folders; POP only downloads the Inbox.

Generate a secure mail key and use that in TB instead of the account password.

https://support.mozilla.org/en-US/questions/1313640