Apache Pony Mail

Apache Pony Mail is a web-based mail archive browser designed to scale to millions of messages and support high request throughput. It enables users to browse, search, and interact with mailing lists, including replying to threads directly from the browser. Built for performance and flexibility, it supports both public and private list access and integrates with modern authentication and search technologies.

Features

• Fast and intuitive search powered by ElasticSearch
• OAuth2 authentication for private list access (Google, GitHub, Facebook)
• In-browser reply functionality for mailing list threads
• Multiple viewing modes: threaded, flat, and tree
• Import support for mbox, maildir, Pipermail, and mod_mbox formats
• Word cloud generation and fuzzy logic email grouping
• Multi-site and multi-list handling
• OpenSearch support for browser integration

Capabilities

• Handles millions of archived emails with high performance
• Supports hundreds of archive search requests per second per node
• Enables unified access to public and private communications
• Offers custom range mbox export and source view
• Compatible with Linux environments and various mailing list systems
• Integrates with MailMan3 and other archiving plugins

Benefits

• Enhances accessibility and usability of mailing list archives
• Reduces time spent searching and navigating email threads
• Improves collaboration through direct browser-based interaction
• Supports scalable deployment for large organizations
• Promotes open-source transparency and community engagement
• Backed by the Apache Software Foundation for long-term support