Postal

Product Overview:

Postal is a complete and fully featured mail delivery platform designed for use by websites and web servers. As an open-source alternative to commercial solutions like Sendgrid, Mailgun, or Postmark, Postal allows you to run your own mail server on your own infrastructure. With a comprehensive web interface, scalable architecture, and integrations with popular spam and anti-virus tools, Postal provides a robust and customizable solution for managing email delivery.

Main Features:

• Comprehensive Web Interface: Manage your mail servers and view mail logs through an easy-to-use web interface.
• Scalable: Easily horizontally scale your mail service up or down as needed to handle changes in traffic or volume.
• Webhooks: Set up webhooks to notify HTTP endpoints when messages are delivered or have issues, allowing for seamless integration with other services.
• Development Mode: Automatically hold messages in Postal as needed to handle testing during development, ensuring a smooth transition from dev to prod environments.
• IP Pools: Send mail from different IP addresses to help build and maintain good IP reputation, reducing the risk of being flagged as spam.
• Spam & Anti-Virus Integrations: Integrate with SpamAssassin, rspamd, and ClamAV to have incoming and outgoing messages checked for threats and spam, ensuring a safer email ecosystem.

These features, combined with Postal's open-source nature and support from the development team, make it an attractive option for organizations looking for a customizable and cost-effective email delivery solution.