Self-Hosted Email & Newsletter Alternatives (2026)
Ranked by how painless they are to run yourself — from one-click deploys and single docker run commands up to multi-service stacks. Lower difficulty first.
Local SMTP server with a web UI to test app-generated email
High-performance self-hosted newsletter and mailing list manager
Dockerized full-stack mail server, a self-hosted Gmail alternative
Simple yet full-featured mail server as a set of Docker images
Open-source newsletter tool, an easy Mailchimp alternative in Elixir
Production-ready, config-driven mail server in a single container
Self-hosted mail delivery platform, a SendGrid/Mailgun alternative
Open-source marketing automation and email campaigns at scale
Fast, highly extensible event-driven SMTP server in Node.js
Privacy-focused email service, an all-in-one Gmail and SaaS alternative