Basic Mail Configuration Settings
Office 365 Mail configuration settings
  • Outlook Web App URL for Office 365: https://thefort.fortlewis.edu, then click on the webmail link
    • Security warning: After signing out, you must close all browser windows to completely log out.
  • ActiveSync server (for mobile devices): outlook.office365.com
  • Incoming mail server: outlook.office365.com
  • SMTP mail server (Also known as outgoing mail server): smtp.office365.com
  • IMAP port: 993 (using SSL)
  • SMTP port: 587 (using TLS)
  • POP Port: 995 (using SSL)