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wildduckOpinionated email server

Opinionated email server

2,088 stars
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JavaScript
EUPL-1.2
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wildduck

WildDuck is a scalable, no-SPOF IMAP/POP3 mail server built with Node.js and MongoDB. It provides a modern, Gmail-inspired approach to email infrastructure with distributed database architecture for high availability and horizontal scaling.

Key Features

  • Scalable Architecture: Distributed MongoDB backend with sharding and replication for no single point of failure
  • Multiple Protocols: Full support for IMAP, POP3, and LMTP protocols for comprehensive email server functionality
  • Gmail-Inspired Design: Follows Gmail's product decisions and user experience patterns for intuitive operation
  • REST API: Complete API documentation available for programmatic email management and integration

Use Cases

  • Enterprise Email Infrastructure: Deploy a self-hosted email server with high availability and scalability requirements
  • Email Service Providers: Build custom email services with MongoDB backend for flexible data storage and management
  • Privacy-Focused Organizations: Run your own mail server to maintain complete control over email data and privacy

Who Is It For

WildDuck is ideal for developers, DevOps engineers, and organizations seeking to deploy a modern, scalable email server with full control over infrastructure. It targets teams that need enterprise-grade IMAP/POP3 capabilities with the flexibility of open source software.

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