The following is a chart showing the out of the box feature set of Horde_ActiveSync compared to other servers supporting EAS.
|Feature||Horde 4/5||Z-Push 1/2||Tine 2.0||Notes|
|EAS Version||2.5/12.1||2.5/14*||2.5||* Z-Push 2 supports 14.0 only when using against Zarafa server.|
|Proper support for ghosted properties|
|Contact Sync||Yes||Yes*||Yes||* Contact support out of the box with Z-Push only when using against Zarafa server.|
|Recurring Event Support|
|Hierarchical folder support|
|Full MIME support|
|S/MIME on device encryption, decryption, and signing|
|Set out of office message|
TODO: Security policies, other misc. features.