haraka ☆
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Description:
Fast, highly extensible, and event driven SMTP server
Type: Formula  |  Latest Version: 3.1.1@0  |  Tracked Since: Dec 24, 2025
Links: Homepage  |  @harakamail  |  formulae.brew.sh
Category: Networking
Tags: smtp email server nodejs mail
Install: brew install haraka
About:
Haraka is a high-performance SMTP server written in Node.js, designed for transactional email processing and large-scale mailing. Its plugin-based architecture allows developers to easily customize behavior for security, routing, and delivery.
Key Features:
  • Event-driven, non-blocking I/O for high concurrency
  • Extensible plugin architecture for custom logic
  • Built-in support for TLS, SPF, DKIM, and DMARC
  • Flexible queueing and delivery options
Use Cases:
  • Transactional email infrastructure for applications
  • High-volume marketing email delivery
  • Custom mail routing and filtering gateway
Alternatives:
  • Postfix – Traditional MTA with extensive configuration, but heavier resource footprint
  • Exim – Highly configurable MTA, but complex syntax and less modern eventing
  • Mailcow – Full-featured email suite, not just an SMTP server
Version History
Detected Version Rev Change Commit
Dec 24, 2025 9:55pm 3.1.1 0 VERSION_BUMP 90dec720
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