Postal is a complete, open-source mail delivery platform for managing massively scalable outgoing email infrastructure—designed as a self-hosted alternative to SendGrid, Mailgun, or Postmark. It provides a web UI for managing email streams, logs, and delivery infrastructure. Postal is highly scalable and intended for developers and businesses needing reliable email dispatch.

Features

  • Full SMTP sending platform with web dashboard and mail logs
  • Scalable architecture: horizontally scale for large email volume
  • API & webhook support for integration and delivery tracking
  • Delivery retry and bounce handling mechanisms
  • DNS configuration guidance (DKIM/SPF/DMARC)
  • User and domain management via UI

Project Samples

Postal Screenshot 1

Project Activity

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