Must have features
PDA support
Integrate with office suite
Integrate with LDAP
Support and user
documentation
Easy migration path
Spell-check for email
Anti-spam features
Instant messaging
compatibility
Print daily calendar
 No loss of features relative to
   Exchange
 Real-time interaction for
   meeting planning
 Strong address book features
 Reliability, reliability, reliability
 Calendar sharing
 Multiple access modes (PC,
   Mac, PDA)
 Support for attachments
 Bulk account creation