Which email endpoint setting is used to enable SSL(Secure Sockets Layer) in AEM Forms?

This is the email endpoint setting that is used to enable SSL (Secure Sockets Layer) in AEM Forms2. The Inbox Protocol setting specifies the protocol used to connect to the email server. It can be set to POP3 or IMAP. To enable SSL, the protocol should be suffixed with an S, such as POP3S or IMAPS.