Open Source Alternatives to Forward Email

An email platform that provides custom domain email hosting and forwarding services. The software allows users to create professional email addresses, manage unlimited domains, and forward inbound mail to existing accounts. It includes features such as a developer API, spam and phishing protection, and zero-knowledge architecture with AES-256 encryption at rest. The service is designed for individuals, freelancers, small businesses, and larger organizations, offering options for both simple forwarding and full send and receive capabilities. It is deployed as a cloud service and is also available as self-hosted Docker software. Users can manage pooled storage and configure catch-all email addresses to streamline communication across multiple aliases. The platform adheres to 2026 email standards to ensure deliverability across various clients. It is an open-source project focused on privacy and data protection.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Forward Email give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Forward Email. The most popular is WR.DO. It uses the MIT license and ships an official Docker image.