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Created outlook.com account within last 2 weeks, can get messages, can NOT send messages, have looked for solutions here and on internet, no luck.

  • Babu amsoshi
  • 0 sa na da wannan matsala

Can not send emails to a newly created outlook.com (free) account. Have tried dozens of different settings, approaches.

My current setup:

 - windows 10
 - thunderbird 140.8.0esr (64-bit),  numerous previous versions also do not work
 - outlook.com (free) account mail provider
 - POP3 enabled (tried IMAP enabling also) on outlook.com account
 - no 2FA or 2FA enabled on outlook.com account, no difference
 - outlook.com web access works fine
 - followed instructions in mozilla support article Microsoft OAuth Authentication and Thunderbird in 2024 
      (https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202)
 - have done a fresh install on a new machine without an existing profile.
 - have tried various microsoft servers, have tried oauth2, normal password
 - thunderbird account creation works just fine.
 - server settings and SMTP settings match as recommended by support article noted above
    SMTP server settings
        server name: smtp-mail.outlook.com  
        port: 587
        connection: STARTTLS
        authentication: OAUTH2
        user:  xxxxxxxx@outlook.com

symptoms:

 - receiving(downloading) emails works fine.
 - sending emails fails with following messages
     Login to server smtp-mail.outlook.com with username  xxxxxx@outlook.com    failed    followed by 
           Unable to authenticate to Outgoing server (SMTP) . Please check the password and verify the 
             'Authentication method' in 'Account Settings | Outgoing server (SMTP)'

Many people seem to be having this issue with no resolution.

Please help.

Can not send emails to a newly created outlook.com (free) account. Have tried dozens of different settings, approaches. My current setup: - windows 10 - thunderbird 140.8.0esr (64-bit), numerous previous versions also do not work - outlook.com (free) account mail provider - POP3 enabled (tried IMAP enabling also) on outlook.com account - no 2FA or 2FA enabled on outlook.com account, no difference - outlook.com web access works fine - followed instructions in mozilla support article Microsoft OAuth Authentication and Thunderbird in 2024 (https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202) - have done a fresh install on a new machine without an existing profile. - have tried various microsoft servers, have tried oauth2, normal password - thunderbird account creation works just fine. - server settings and SMTP settings match as recommended by support article noted above SMTP server settings server name: smtp-mail.outlook.com port: 587 connection: STARTTLS authentication: OAUTH2 user: xxxxxxxx@outlook.com symptoms: - receiving(downloading) emails works fine. - sending emails fails with following messages Login to server smtp-mail.outlook.com with username xxxxxx@outlook.com failed followed by Unable to authenticate to Outgoing server (SMTP) . Please check the password and verify the 'Authentication method' in 'Account Settings | Outgoing server (SMTP)' Many people seem to be having this issue with no resolution. Please help.

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