Reemplazos gratuitos y de código abierto para Mailgun
Self-hosted mail delivery platform for websites — 📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
↔ alternativa a SendGrid、Mailgun
Transactional email server with a web UI — Transactional email server with a lovely web interface
↔ alternativa a SendGrid、Mailgun、Postmark
