Microsoft offers three primary ways to send email through Office 365, depending on your device's capabilities and security needs.
The following settings are the standard requirements for most modern applications and devices using "SMTP AUTH": smtp.office365.com Port 587 (Recommended) or 25 Encryption STARTTLS (often just labeled TLS ) Authentication Yes (Requires username and password) Username office 365 smtp settings
Requires modern authentication; "Basic Authentication" is being phased out. 2. Direct Send Microsoft offers three primary ways to send email
Understanding is essential for connecting third-party applications, printers, and scanners to your Microsoft 365 email environment. To send emails through Microsoft’s servers, you must configure your device with the correct server address, port, and security protocols. Core Office 365 SMTP Settings How to Configure SMTP with Office 365 |
Use this if your device doesn't support TLS or if you only need to send mail to people within your own organization. How to Configure SMTP with Office 365 | Dell Hong Kong
Your full Office 365 email address (e.g., user@yourdomain.com )
Your Office 365 password (or an App Password if MFA is enabled)