If you would like to connect a third party device to send emails through Office 365 you will need to use the SMTP server settings below:
Authentication is required. This means you will need to use a username and password of a user who is assigned a license.
Username: email@yourdomain.com
Password: *********
SMTP Server: smtp.office365.com
Port: 587
TLS: ON
Article ID: 771, Created: September 9, 2013 at 4:36 PM, Modified: August 12, 2019 at 4:13 PM