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WildDuck project preview
BusinessAlternative to Google WorkspaceAlternative to Microsoft ExchangeAlternative to Fastmail

WildDuck

Scalable, modern, NoSQL-backed IMAP and POP3 email server built for Node.js.

View on GitHub Visit website
LicenseEUPL-1.2
GitHub stars2.5k
Last commit1 weeks ago
Tags5 topics
Wildduck ServerScalable Email ClusterDevopsNosql Mail StorageMongodb Imap Server
Overview

Why consider WildDuck?

WildDuck is an open-source, scalable IMAP and POP3 mail server software written in JavaScript/Node.js by Nodemailer. WildDuck stores emails and mailbox indexes in MongoDB and Redis instead of traditional filesystems, enabling multi-node clustering and horizontal scaling.

Guided learning

Learn WildDuck by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of WildDuck

WildDuck scales enterprise mailbox storage across MongoDB distributed replica sets.

Docker Quickstart

bash
1docker run -d -p 993:993 wildduck/wildduck:latest

WildDuck is licensed under the European Union Public Licence (EUPL-1.2).

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WildDuck FAQs

WildDuck is listed as a Business tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

WildDuck is listed under the EUPL-1.2 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

WildDuck is listed as an alternative to Google Workspace. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.