Required values
Field labels vary by product, but the protocol values remain the same.
- Server: the hostname displayed by smtpify365
- Port: 587
- Connection security: STARTTLS
- Authentication: required, using the generated SMTP username and one-time password
- Envelope sender: the Microsoft 365 mailbox that authorized the connection
Unsupported alternatives
Do not select implicit SSL/TLS on port 465, unauthenticated delivery, or a sender different from the connected mailbox.