IdentitylQ is using emails to notify users about completion of steps within a process, or...

No, the " Email Protocol " is not a setting that an engineer must set up to ensure successful communication with the SMTP server. Instead, the essential settings include the mail server address, port, authentication details (like username and password if required), and possibly the security settings (such as SSL/TLS). While the email protocol (e.g., SMTP) is implicitly involved, it is not a specific setting that needs to be configured separately within IdentityIQ. The critical setup revolves around configuring the mail server connection parameters.

SailPoint IdentityIQ Configuration Guide (Email and Notification Settings)

SailPoint IdentityIQ Administration Guide (SMTP Configuration for Email Notifications)