Sun Java System Communications Services 6 2005Q4 Deployment Planning Guide
    
H
 
 heavyweight POP users ( Index Term Link )
 
 high availability
  automatic system reconfiguration ( Index Term Link )
  Calendar Server ( Index Term Link ) ( Index Term Link )
  Communications Services ( Index Term Link )
  description ( Index Term Link )
  Messaging Server ( Index Term Link )
  overview ( Index Term Link )
 
 horizontal scalability ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 hosted domains ( Index Term Link ) ( Index Term Link ) ( Index Term Link )
 
 HTTP Service for Calendar Server ( Index Term Link )
 
 hybrid topology ( Index Term Link )