Posted on

Exchange Online / Microsoft 365 SMTP settings

Generic settings

  • SMTP server: smtp.office365.com
  • Port: 587
  • Requires SSL: Yes
  • Requires TLS: Yes (if available)
  • TLS version : 1.2
  • Authentication: Yes
  • Username: email address
  • Password: Your passwor

User configuration

SMTP sending is not enabled by default.

  • Log in as administrator to the account
  • Tab – Mail
  • Click on “Manage email applications”
  • Select Authenticated SMTP