How to Set Up SMTP for Email via Office 365 Mail#

Office 365, provided by Microsoft, offers a subscription-based email service. To use Office 365 for sending emails via SMTP, configure your SMTP settings as described below:

SMTP Server Details#

  • SMTP Server/Host: smtp.office365.com

  • SMTP Port: 587

Authentication Information#

  • SMTP User Name: Your Office 365 email address (e.g., yourname@yourdomain.com).

  • SMTP Password: Your Office 365 password.

Additional Information#

  • Office 365 SMTP requires the use of TLS encryption on port 587. Ensure that your email client or application is set up to use STARTTLS as the encryption method.

  • As a security measure, Microsoft may require additional steps for authentication such as enabling two-factor authentication (2FA) and generating an app-specific password.

Reference Material#

  • For more detailed guidance on configuring SMTP settings for Office 365 and troubleshooting common issues, refer to this helpful article: Using Office 365 SMTP.