Microsoft 365 SMTP Settings
Microsoft 365 supports authenticated SMTP to send e-mail. The information below is intended to act as a reference when configuring a system for sending email from Microsoft 365. If you have questions regarding the setup or configuration of your e-mail program, please consult your local IT support staff or contact help@colostate.edu.
Microsoft 365 SMTP Settings (Outgoing Server Settings)
Outgoing SMTP Server: smtp.office365.com
Outgoing SMTP Server Port: 587
Outgoing SMTP Server Username: ename@colostate.edu
Outgoing SMTP Connection Security (if applicable): STARTTLS or Auto
