Google Apps Directory Sync for Postini Services Administration Guide - Manual (Page 38)

Configuration 41
Test Connection
Once you have configured LDAP Authentication settings, click Test Connection.
Configuration Manager will connect to your LDAP server and attempt to log in, to
verify the settings you entered.
Authentication Type The authentication method for your LDAP server
If your LDAP server allows anonymous connections
and you want to connect anonymously, select
Anonymous. Otherwise, select Simple.
Example: Simple
Authorized User Enter the user to use when connecting to the server.
This user should have read and execute permissions
for the whole subtree.
If needed, include the domain for the user as well.
Example: admin1
Password Enter the password for the authorized user.
Example: swordfish
Passwords are stored in an encrypted format.
LDAP Connection
Setting
Description