BillionMail
Open-source mail server with built-in email marketing and campaign management.
About BillionMail
BillionMail is an open-source mail server and email marketing platform. It combines a full SMTP/IMAP stack (Postfix, Dovecot, Rspamd) with campaign management, subscriber lists, analytics (open rates, click-through rates), and a built-in Roundcube webmail interface.
Designed for businesses that need both transactional email and marketing campaigns, BillionMail provides unlimited sending, custom templates, domain DNS verification, and automatic SSL all self-hosted with no monthly fees.
Key Features
- All-in-one mail server with web administration
- Built-in webmail, SMTP, IMAP, and POP3
- Spam filtering with Rspamd and ClamAV antivirus
- Docker deployment with automatic SSL via Let's Encrypt
Self-Hosting Notes
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