Sun Java System Messaging Server 6.3 Administration Guide

23.10 User/Group Directory Lookups Over SSL

It is possible to do user/group directory lookups over SSL for MTA, MMP and IMAP/POP/HTTP services. The prerequisite is that Messaging Server must be configured in SSL mode. Set the following configutil parameters to enable this feature: local.service.pab.ldapport to 636, local.ugldapport to 636, local.ugldapusessl to 1.