BillionMail
Open-source email server for newsletters and email marketing without monthly fees
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AGPL-3.0 v4.9 Apr 20, 2026
Since Feb 2025 208
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AI Summary
BillionMail is an open-source platform for self-hosted email servers, newsletters, and email marketing campaigns. The solution offers unlimited email sending without monthly fees and is ready to use in just 8 minutes. With an integrated dashboard, real-time analytics, and DNS configuration assistance for optimal deliverability, the tool is designed for developer-friendly teams.
✓ Pros
- + Completely free and open-source without monthly SaaS fees
- + Fast installation in just 8 minutes with one-click setup
- + Unlimited email sending without built-in rate limiting
- + Real-time dashboard with detailed deliverability and performance metrics
✗ Cons
- − Requires own server infrastructure and technical know-how for management
- − Responsibility for email deliverability and reputation lies with the operator
Use Cases
- → Run cold email campaigns with unlimited sending volume
- → Operate newsletter delivery via your own servers without SaaS dependency
- → Manage email marketing campaigns with real-time tracking of open and click rates
- → Optimize deliverability through SPF, DKIM, and DMARC configuration
Who is it for?
For developer-savvy teams, startups, and businesses who want full control over their email infrastructure and are ready to operate their own servers.
