Postal is an open-source email infrastructure and self-hosted delivery platform. It functions as an SMTP mail server and inbound email gateway, providing the tools necessary to send and receive email through a privately managed infrastructure. The system manages SMTP infrastructure for outgoing message delivery and provides capabilities for custom email receiving. It allows for the routing of incoming external emails to internal applications or websites for automated processing. The platform includes support for multi-tenant domain mapping, event-driven webhook notifications, and plugin-base
The DragonFly Mail Agent, a small Mail Transport Agent (MTA), designed for home and office use.
The main features of viridit/vsmtp are: Email Servers.
Open-source alternatives to viridit/vsmtp include: atech/postal — Postal is an open-source email infrastructure and self-hosted delivery platform. It functions as an SMTP mail server… cyrusimap/cyrus-imapd — Cyrus IMAP is an email, contacts and calendar server. dovecot/core — Dovecot mail server. feuerhamster/mailform — The lightweight self-hosted email service for contact forms and more! foxcpp/maddy — Maddy is a modular mail server that assembles a complete email system by connecting small, single-purpose modules… corecode/dma — The DragonFly Mail Agent, a small Mail Transport Agent (MTA), designed for home and office use.