Cuttlefish
Lovely Transactional Email

What is Cuttlefish?

Cuttlefish is an open-source transactional email service designed to simplify email delivery for applications. It ensures emails reach their destinations by automatically holding back emails to addresses that have previously bounced, helping maintain a high email reputation. The service works with any web framework and language using standard SMTP, requiring no additional effort from developers.

The platform offers real-time analytics to monitor email delivery, track opens and clicks, and provides a user-friendly web interface for browsing email activity. Built on the reliable Postfix email system, Cuttlefish delivers robust performance while remaining completely open source, eliminating vendor lock-in concerns.

Features

  • Bounce Handling: Automatically holds back emails to previously bounced addresses to maintain email reputation
  • Real-time Analytics: Monitors email delivery, tracks opens and clicks with application-specific breakdowns
  • Easy Integration: Works with any web framework and language using standard SMTP protocol
  • Web Interface: Provides a user-friendly UI for browsing email activity and analytics
  • Open Source: Complete source code available, eliminating vendor lock-in concerns
  • Reliable Infrastructure: Built on Postfix email system for dependable email delivery

Use Cases

  • Transactional email delivery for web applications
  • Email reputation management for businesses
  • Email campaign tracking and analytics
  • Open-source email infrastructure for developers
  • SMTP-based email services for various programming languages

FAQs

  • What is Cuttlefish's current development status?
    Cuttlefish is in beta but has been used in production by OpenAustralia Foundation's projects for several years and has sent many millions of emails.
  • How does Cuttlefish compare to proprietary email services?
    Cuttlefish offers basic bounce handling and open/click tracking similar to proprietary services but doesn't handle incoming email, detect spam reports, or have built-in email templates.
  • What technologies does Cuttlefish use for email delivery?
    Cuttlefish uses Postfix under the hood to handle email delivery, which is a widely trusted and reliable email system.
  • Can I use Cuttlefish with my existing web application?
    Yes, Cuttlefish works with any web framework and language using standard SMTP protocol in the usual way.

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