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No longer able to receive or send emails via Thunderbird on my computer

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  • Last reply by christ1

davidmorrison
davidmorrison
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Hello,

I've been using Thunderbird for a number of years on my Windows 10 computers (one at a time). I used to have my email hosted by Cox, but it moved to Yahoo a year or two ago. At that time, I changed my IMAP and SMTP servers from cox to yahoo.

Suddenly, the other day, I'm not longer able to send or receive email messages in Thunderbird. I can still send and receive at Yahoo.com.

Here's the setup that I've been using in Thunderbird:


Incoming Mail (IMAP) Server

Server - export.imap.mail.yahoo.com Port - 993 Requires SSL - Yes

Outgoing Mail (SMTP) Server

Server - smtp.mail.yahoo.com Port - 465 Requires SSL - Yes Requires authentication - Yes

When I click on my inbox, I get a dialog box that says:

"Login to server imap.mail.yahoo.com with username davidmorrison@cox.net failed."

Maybe I should set up another account, with my same name?

Appreciate any help you have!

PS: I DO donate every year or two to Thunderbird...

Thanks.

David Morrison

Hello, I've been using Thunderbird for a number of years on my Windows 10 computers (one at a time). I used to have my email hosted by Cox, but it moved to Yahoo a year or two ago. At that time, I changed my IMAP and SMTP servers from cox to yahoo. Suddenly, the other day, I'm not longer able to send or receive email messages in Thunderbird. I can still send and receive at Yahoo.com. Here's the setup that I've been using in Thunderbird: Incoming Mail (IMAP) Server Server - export.imap.mail.yahoo.com Port - 993 Requires SSL - Yes Outgoing Mail (SMTP) Server Server - smtp.mail.yahoo.com Port - 465 Requires SSL - Yes Requires authentication - Yes When I click on my inbox, I get a dialog box that says: "Login to server imap.mail.yahoo.com with username davidmorrison@cox.net failed." Maybe I should set up another account, with my same name? Appreciate any help you have! PS: I DO donate every year or two to Thunderbird... Thanks. David Morrison

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christ1
christ1
  • Top 25 Contributor
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Here's the setup that I've been using in Thunderbird:

That appears to be the information from the Yahoo support web site, but it's somewhat outdated.

Incoming Mail (IMAP) Server Server - export.imap.mail.yahoo.com

The incoming server should be imap.mail.yahoo.com.

The correct server settings for Yahoo are: Incoming server: imap.mail.yahoo.com, port 993, Connection security: SSL/TLS, Authentication method: OAuth2 Outgoing server: smtp.mail.yahoo.com, port 465, Connection security: SSL/TLS, Authentication method: OAuth2

Also see: https://support.mozilla.org/en-US/kb/thunderbird-and-yahoo#w_important-changes-to-authentication-method-notice

Note, as stated in the support article, for the OAuth authentication to succeed, you'll have to temporarily allow cookies in Thunderbird.

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