SSL offers these security benefits:
You must set up the Domino server and then set up SSL. You can use SSL security for Internet clients who use one of the following Internet protocols to connect to the Domino server:
The Java applet that uses this protocol must be set up to use SSL.
Domino uses SASL automatically if SSL with client authentication is set up on the server and if the LDAP client supports the protocol. No additional configuration is necessary.