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!

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

Able to Receive Emails but Unable to Send Emails From Hotmail

  • 2 majibu
  • 0 wana tatizo hili
  • 1 view
  • Last reply by asq32

asq32
asq32
more options

I'm able to receive messages in Thunderbird from my hotmail account but am unable to send them. This problem started the version before 115.4.3. This use to work. I have not changed any settings. I've tried removing the account and re-adding, but that didn't fix the issue.

The error message is: Sending of the message failed. Unable to authenticate to Outgoing server (SMTP) smtp.office365.com. Please check the password and verify the 'Authentication method' in 'Account Settings | Outgoing server (SMTP)'.

Attached are images of the servers settings I have.

Help!

I'm able to receive messages in Thunderbird from my hotmail account but am unable to send them. This problem started the version before 115.4.3. This use to work. I have not changed any settings. I've tried removing the account and re-adding, but that didn't fix the issue. The error message is: Sending of the message failed. Unable to authenticate to Outgoing server (SMTP) smtp.office365.com. Please check the password and verify the 'Authentication method' in 'Account Settings | Outgoing server (SMTP)'. Attached are images of the servers settings I have. Help!
Attached screenshots

Chosen solution

The authentication method for incoming and outgoing should be OAuth2. Remove the entries for the account from Saved Passwords in Settings/Privacy & Security, accept cookies in the same section, restart TB, enter the account password in the OAuth window to allow TB access.

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

Read this answer in context 👍 0

All Replies (2)

sfhowes
sfhowes
  • Top 10 Contributor
more options

Suluhisho teule

The authentication method for incoming and outgoing should be OAuth2. Remove the entries for the account from Saved Passwords in Settings/Privacy & Security, accept cookies in the same section, restart TB, enter the account password in the OAuth window to allow TB access.

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

asq32
asq32 Mwenye swali
more options

That did it, thank you!