SMTP Authentication
Select the email authentication mode:
- : The default selection. If your Exchange server is within your firewall, you would typically use this authentication mode.
- SMTP User and SMTP Password fields. The SMTP Password field can hold up to 250 characters. : If you select this option, you must supply a user name and password in the
- : Non-standard authentication. This mode provides tighter security into your SMTP server.
For detailed information about email authentication, see the Microsoft documentation.