BillionMailBillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

BillionMail

BillionMail is an open-source mail server and email marketing platform that gives you complete control over your email campaigns without recurring fees. Built for developers and businesses, it combines transactional email, newsletter management, and marketing automation in a single self-hosted solution with advanced analytics and customer management capabilities.

Key Features

• Self-Hosted Infrastructure: Run your entire email operation on your own servers with no vendor lock-in or data privacy concerns
• Unlimited Email Sending: Send unlimited emails without restrictions or overage fees that plague commercial platforms
• Advanced Analytics: Track delivery rates, open rates, click-through rates, and campaign performance in detail
• Customizable Templates: Build and reuse professional email templates tailored to your brand
• WebMail Integration: Access integrated RoundCube webmail for seamless email management
• Quick Deployment: Get from installation to sending emails in just 8 minutes

Use Cases

• Newsletter Distribution: Manage and send newsletters to subscriber lists with campaign tracking
• Transactional Email: Handle order confirmations, password resets, and notification emails reliably
• Email Marketing Campaigns: Create, schedule, and monitor promotional email campaigns with full analytics
• Privacy-Focused Communications: Send emails while keeping all data on your own infrastructure

Who Is It For

BillionMail is designed for developers, small-to-medium businesses, and organizations that want email marketing capabilities without the high costs and restrictions of commercial platforms. It's ideal for those who prioritize data privacy, technical control, and long-term cost savings over managed services.