最佳开源 Email Platforms

Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.

00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.

Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.

Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.

Self-hosted email management system with shared inboxes, automation, and powerful collaboration features for efficient customer support.

Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.