We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

I have been using Thunderbird for many years for my hotmail account. Today I can not receive messages. No changes to account

  • 1 reply
  • 2 have this problem
  • 1 view
  • Last reply by Matt

more options

I have been using Thunderbird for many years for my hotmail account. Today I can not receive messages. I get the following message... Sending of password for user tlpaulsen@hotmail.com did not succeed. Mail server pop-mail.outlook.com responded: Authentication failure: unknown user name or bad password. [Error="ProxyNotAuthenticated" AuthResult=0 Proxy=CO2PR04MB2264.namprd04.prod.outlook.com:1995:SSL]

Not sure what to try.

I have been using Thunderbird for many years for my hotmail account. Today I can not receive messages. I get the following message... Sending of password for user tlpaulsen@hotmail.com did not succeed. Mail server pop-mail.outlook.com responded: Authentication failure: unknown user name or bad password. [Error="ProxyNotAuthenticated" AuthResult=0 Proxy=CO2PR04MB2264.namprd04.prod.outlook.com:1995:SSL] Not sure what to try.

All Replies (1)

more options