Failed sending outlook mail via Thunderbird
Hello,
I hope you're doing well. I'm a faitthfull supporter of mozzila and thunderbird, so happy to have the app thunderbird now - thanks for that :) I'm using thunderbird to access my outlook adress since years. But, few weeks ago I can't send mail anymore (still receiving it) via thunderbird. I tried a lot of solutions, checked online the [[topic Microsoft OAuth Authentication and Thunderbird in 2024|https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202?_gl=1*pm7jt7*_ga*MzEzODU1MDYyLjE2ODkyMzY3NTE.*_ga_R3H4BDP5J2*MTczNDk2ODU4Mi4xLjAuMTczNDk2ODU4Mi4wLjAuMA..]] topic
But still nothing, I'm beginning to despair and I don't want stop using thunderbird but it's become really anoying. Can you help me please?
thanks and merry christmas ! Yo
Wšě wotmołwy (2)
Hi Optimist,
What happens when you try to send?
Rick
Hi,
I've this message error :
"Message failed to send. Unable to authenticate on outgoing server (SMTP). Please check your password and “Authentication method” in the “Account settings | Outgoing server (SMTP)” menu."
- I checked and change passwords few times, uninstall and restinall on android and windows
- Activated and disactivaed 2FA authy, without success
- I can receive the mail but cannot send it
- My other mail adress (disroots, hotmail) are working normally
Here details Description: Outlook.com (Microsoft) Server name: smtp.office365.com Port: 587 User name: xxxxxx@outlook.fr Authentication method: OAuth2 Connection security: STARTTLS
Thanks for your help and happy new year ! Opti