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[Directory](/) 2. / 3. horde6/activesync ActiveHorde-library horde6/activesync ================= ActiveSync server library 01↑2900%PHP Since May 18Pushed 1mo agoCompare [ Source](https://github.com/horde6/ActiveSync)[ Packagist](https://packagist.org/packages/horde6/activesync)[ RSS](/packages/horde6-activesync/feed)WikiDiscussions H6 Synced 1mo ago READMEChangelogDependenciesVersions (4)Used By (0) Horde ActiveSync Implementation =============================== [](#horde-activesync-implementation) AI generated on 2025 april 19th Overview -------- [](#overview) Horde ActiveSync is a robust implementation of the Microsoft Exchange ActiveSync (EAS) protocol, designed to provide synchronization capabilities between mobile devices and email servers. This implementation supports various EAS protocol versions and provides a flexible framework for integrating with different backend systems. System Architecture ------------------- [](#system-architecture) ### Core Components [](#core-components) 1. **ActiveSync Server (`Horde_ActiveSync`)** - Main entry point for all ActiveSync operations - Handles protocol version negotiation - Manages device authentication and state - Coordinates between different components 2. **Protocol Handlers** - Supports multiple EAS protocol versions (2.5, 12.0, 12.1, 14.0, 14.1, 16.0) - Handles protocol-specific features and requirements - Manages version-specific headers and responses 3. **State Management** - Device state persistence - Sync state tracking - Policy enforcement - Device provisioning 4. **Data Synchronization** - Folder hierarchy management - Item synchronization - Conflict resolution - Change tracking ### Key Features [](#key-features) - **Multi-Protocol Support** - Supports EAS versions 2.5 through 16.0 - Automatic version negotiation - Backward compatibility - **Security** - Device authentication - Policy enforcement - Remote wipe capabilities - Certificate validation - **Data Synchronization** - Email synchronization - Calendar synchronization - Contact synchronization - Task synchronization - Notes synchronization - **Device Management** - Device provisioning - Policy enforcement - Device state tracking - Remote wipe capabilities ### Protocol Support [](#protocol-support) #### Supported Commands [](#supported-commands) - Sync - SendMail - SmartForward - SmartReply - GetAttachment - GetHierarchy - CreateCollection - DeleteCollection - MoveCollection - FolderSync - FolderCreate - FolderDelete - FolderUpdate - MoveItems - GetItemEstimate - MeetingResponse - Search - Settings - Ping - ItemOperations - Provision - ResolveRecipients - ValidateCert #### Supported Data Types [](#supported-data-types) - Email - Contacts - Calendar - Tasks - Notes - SMS ### Integration Points [](#integration-points) 1. **Backend Driver** - Abstract interface for backend integration - Customizable authentication - Data access layer 2. **State Storage** - Device state persistence - Sync state management - Policy storage 3. **Logging** - Flexible logging system - Debug capabilities - Error tracking ### Security Features [](#security-features) 1. **Authentication** - User authentication - Device authentication - Domain support 2. **Policy Enforcement** - Device policies - Security policies - Remote wipe capabilities 3. **Data Protection** - Secure communication - Certificate validation - Data encryption Technical Details ----------------- [](#technical-details) ### Protocol Versions [](#protocol-versions) - 2.5 (6.5.7638.1) - 12.0 - 12.1 - 14.0 - 14.1 - 16.0 ### Data Formats [](#data-formats) - WBXML encoding/decoding - Multipart support - MIME handling - Truncation support ### Performance Considerations [](#performance-considerations) - Memory usage optimization - Data truncation options - Batch processing - State caching Integration Guide ----------------- [](#integration-guide) ### Backend Integration [](#backend-integration) 1. Implement `Horde_ActiveSync_Driver_Base` 2. Configure authentication 3. Implement data access methods 4. Set up state storage ### Configuration [](#configuration) 1. Set up logging 2. Configure protocol versions 3. Set security policies 4. Configure device management Best Practices -------------- [](#best-practices) 1. **Security** - Implement proper authentication - Enforce device policies - Monitor device access 2. **Performance** - Optimize data access - Implement proper caching - Monitor resource usage 3. **Maintenance** - Regular state cleanup - Monitor device connections - Update security policies Dependencies ------------ [](#dependencies) - PHP 7.0 or higher - Horde Framework - WBXML support - SSL/TLS support License ------- [](#license) This software is licensed under the GPLv2 license. See the LICENSE file for details. ### Health Score 27 — LowBetter than 49% of packages Maintenance59 Moderate activity, may be stable Popularity2 Limited adoption so far Community16 Small or concentrated contributor base Maturity30 Early-stage or recently created project Bus Factor1 Top contributor holds 90.9% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Community Maintainers ![](https://www.gravatar.com/avatar/ee57d378ce751d08aead4b07fa387cdef50434b567400e41946198ebf2fe49f5?d=identicon)[amulet1](/maintainers/amulet1) --- Top Contributors [![mrubinsk](https://avatars.githubusercontent.com/u/66822?v=4)](https://github.com/mrubinsk "mrubinsk (3989 commits)")[![yunosh](https://avatars.githubusercontent.com/u/379318?v=4)](https://github.com/yunosh "yunosh (282 commits)")[![slusarz](https://avatars.githubusercontent.com/u/381003?v=4)](https://github.com/slusarz "slusarz (41 commits)")[![ralflang](https://avatars.githubusercontent.com/u/646976?v=4)](https://github.com/ralflang "ralflang (23 commits)")[![amulet1](https://avatars.githubusercontent.com/u/18431541?v=4)](https://github.com/amulet1 "amulet1 (16 commits)")[![TDannhauer](https://avatars.githubusercontent.com/u/6716033?v=4)](https://github.com/TDannhauer "TDannhauer (12 commits)")[![thomasjfox](https://avatars.githubusercontent.com/u/1146758?v=4)](https://github.com/thomasjfox "thomasjfox (11 commits)")[![wrobel](https://avatars.githubusercontent.com/u/10232?v=4)](https://github.com/wrobel "wrobel (6 commits)")[![midahp](https://avatars.githubusercontent.com/u/19747890?v=4)](https://github.com/midahp "midahp (3 commits)")[![renan](https://avatars.githubusercontent.com/u/28046?v=4)](https://github.com/renan "renan (2 commits)")[![Bullja](https://avatars.githubusercontent.com/u/3464071?v=4)](https://github.com/Bullja "Bullja (1 commits)")[![cheese1](https://avatars.githubusercontent.com/u/6437726?v=4)](https://github.com/cheese1 "cheese1 (1 commits)")[![aluxnimm](https://avatars.githubusercontent.com/u/12834530?v=4)](https://github.com/aluxnimm "aluxnimm (1 commits)")[![martament](https://avatars.githubusercontent.com/u/38855494?v=4)](https://github.com/martament "martament (1 commits)") ### Embed Badge ![Health badge](/badges/horde6-activesync/health.svg) ``` [![Health](https://phpackages.com/badges/horde6-activesync/health.svg)](https://phpackages.com/packages/horde6-activesync) ``` PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)