BillionMail

Overview

BillionMail is an open-source, fully self-hosted mail server and email marketing solution that lets you run newsletters, cold email campaigns, and transactional emails without monthly fees, offering full control, scalability, and high deliverability.

Key features

• Self-hosted mail server
• Email marketing
• Newsletters
• Cold email campaigns
• DNS setup (SPF, DKIM, DMARC)
• Analytics dashboard
• Unlimited sending
• Campaign scheduling
• Contact lists
• Tags
• Open-source