IMAP4 options

Enable IMAP4
Enable/disable IMAP4 protocol support (AfterLogic XMail Server must be restarted when this flag changed).
IMAP4 Server Port
This port is used to establish non-secure IMAP4 connections (143 is default).
IMAP4 SSL/TLS Server Port
This port is used to establish secure IMAP4 connections (993 is default).