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cannot send outgoing emails via microsoft 365 smtp

Thunderbird Send and receive email
david replied 3 hours ago
supply3
supply3

hello, i set up my microsoft 365 / outlook account in thunderbid using oauth2 and smtp (port 587, starttls). however outgoing emails fail to send. how can i resolve this smtp issue

hello, i set up my microsoft 365 / outlook account in thunderbid using oauth2 and smtp (port 587, starttls). however outgoing emails fail to send. how can i resolve this smtp issue

All Replies (1)

david
david
  • Top 10 Contributor

Chosen Solution

it may help to post screenshot of your SMTP server settings pane and complete text of error messages.

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