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.

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

Thunderbird does not recognize password

  • 2 replies
  • 0 have this problem
  • 10 views
  • Last reply by sfhowes

more options

I continually received the following pop up window "Sending of password for user ######@hotmail.com did not succeed. Mail server pop3.live.com responded: Authentication failure: unknown user name or bad password."

How do I fix?

I continually received the following pop up window "Sending of password for user ######@hotmail.com did not succeed. Mail server pop3.live.com responded: Authentication failure: unknown user name or bad password." How do I fix?

All Replies (2)

more options

This might be an incorrect password or incorrect server setting. I think microsoft accounts need app password. It may help to also post screenshot of server settings.

more options

MS accounts don't need app passwords unless the mail app doesn't support OAuth authentication.

Use these settings for hotmail/outlook.com/live accounts:

https://support.mozilla.org/en-US/questions/1417298#answer-1588949