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 |
|---|---|---|---|---|
| Efficient memory use via use of temporary streams. | ||||
| Fully extensible and useable outside of the groupware stack | ||||
| EAS 2.5 (Exchange 2003 SP2) | ||||
| Email sync | H5 | |||
| Email type property | H5 | This property provides clients the ability to display appropriate icons for the type of message. E.g., Meeting requests, MDN etc... | ||
| Hierarchical folder support | H5 | |||
| Calendar sync | H4 | |||
| Meeting request/response | H5 | |||
| Tasks sync | H4 | |||
| Contacts sync | H4 | Yes* | * Contact support out of the box with Z-Push only when using against Zarafa server. | |
| GAL search | H4 | |||
| Provisioning/Remote Wipe | H4 | |||
| EAS 12.0 (Exchange 2007) | ||||
| Autodiscover | H5* | * Major improvements to Autodiscovery in H5.1. | ||
| HTML Email | H5 | |||
| Email search for items not synched to client | H5 | |||
| Email Flagging | H5 | |||
| Full MIME support | H5 | |||
| Set out of office message | H5 | |||
| EAS 12.1 (Exchange 2007 SP1) | ||||
| Reduced bandwidth features. | H5 | |||
| S/MIME on device encryption, decryption, and signing | H5 | |||
| EAS 14.0 (Exchange 2010 SP1) | ||||
| Notes Sync | H5.1 | |||
| SMS Sync | No | |||
| Conversation View | TODO | |||
| Reply state sync | H5.1 | |||
| Free/busy lookup | H5.1 | |||
| Nickname Cache | TODO | |||
| EAS 14.1 (Exchange 2010 SP2) | ||||
| Conversation Segments | TODO | |||
| GAL/Search Photos | H5.1 | |||
| Device Info | H5.1 | Device info can be used during provisioning process to allow finer control over device access/management. | ||
TODO: Security policies.