ActiveSync setup is trivial: Server address → username → password. No complex autodiscover DNS headaches during testing (you can use IP or hostname with self-signed SSL).
Kerio Connect has a native Outlook MAPI connector (free for trial users). It’s surprisingly more reliable than Exchange’s cached mode for large mailboxes. Outlook looks and feels 100% normal. kerio connect trial license
The trial is the exact same binary as the paid version. You can stress-test it with real users, large attachments (up to 2GB per email), and hundreds of folders. Performance is snappy—even on modest hardware (4GB RAM, 2 vCPUs). ActiveSync setup is trivial: Server address → username
Unlike Exchange’s overwhelming EAC or Postfix’s CLI-only config, Kerio’s admin interface is intuitive, fast, and searchable. You can set up email aliases, distribution groups, and content filters in seconds. The Annoyances (Read Before You Start) 1. 30 days is enough, but flies by. For a full pilot with 20+ users, 30 days is fine. But if you’re doing a phased test with training, you might need to request an extension. Support usually grants one 15-day extension if you ask nicely. You can stress-test it with real users, large