Cuttlefish is a transactional email server designed to make sending large volumes of emails easy and hassle-free. Whether you're sending a few emails from your application or handling a high volume of outgoing emails, Cuttlefish provides a solution that ensures your emails get delivered without the complexities and risks associated with commercial transactional email services. With a user-friendly web UI, real-time email tracking, and support for any web framework and language, Cuttlefish is a versatile tool for managing and monitoring your email sending operations. It offers features such as automatic handling of bounced emails, email open and link click tracking, statistics on sent and bounced emails, and a GraphQL API for programmatic access to the admin functionality. Cuttlefish is easy to install and uses open-source components, giving you full control and avoiding vendor lock-in. It is currently in beta and has been used in production by the OpenAustralia Foundation for many years, sending over a million emails per month.
Key Features
  • Transactional email server: Cuttlefish is designed to handle large volumes of outgoing emails, providing a reliable and efficient solution for transactional email sending.
  • Web UI for email management: Cuttlefish comes with a user-friendly web UI that allows you to browse and monitor the status of your outgoing emails, giving you full visibility and control over your email operations.
  • Real-time email tracking: With Cuttlefish, you can monitor in real time which emails are successfully delivered and which ones bounce, helping you to identify and address delivery issues promptly.
  • Support for any web framework and language: Cuttlefish is compatible with any web framework and programming language, making it a flexible choice for developers working on different projects and platforms.
  • Automatic handling of bounced emails: Cuttlefish automatically detects and excludes email destinations that have previously hard bounced, ensuring that your future emails will not be sent to invalid or non-existent addresses.
  • Email open and link click tracking: Cuttlefish enables you to track which emails are opened by recipients and which links are clicked, providing valuable insights into the engagement and effectiveness of your email campaigns.
  • Statistics on sent and bounced emails: Cuttlefish provides statistics on the number of emails sent, soft/hard bounced, and held back, giving you a clear overview of your email sending performance.
  • GraphQL API for programmatic access: Cuttlefish offers a GraphQL API that allows you to interact with the admin functionality programmatically, making it easy to integrate with other systems and automate email-related tasks.
  • Open-source with no vendor lock-in: Cuttlefish is an open-source project, which means you have full control and ownership of your email sending infrastructure, without being tied to any specific vendor or service provider.
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  • Infrastructure Cost Only: Our pricing structure focuses solely on infrastructure costs, with the software provided free of charge. view pricing
  • Up to 90% Cheaper than Commercial Apps: Enjoy significant savings with our platform, offering costs that can be up to 90% lower than traditional commercial applications.
  • Non-Linear Scaling: Unlike many solutions, our pricing doesn't scale linearly with the number of users, providing cost efficiency even as your user base grows.
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Kindly note that we do not offer support for modifying the open-source applications utilized in our platform. This is an open-source application, and any feature additions or removals should be directed to the community.
Frequently Asked Questions

Why bother with complicated installation processes when we have facilitated an effortless setup for you? Our platform already features a ready-to-launch app. All you need to do is click on 'install', and you're done! You can easily get started with our app with just one simple click.

Why go through the hassle of self-hosting when we already offer a ready-to-use app on our platform? All it takes is one click to install and voila, you're all set! You can easily launch the app with a single click, making your work far simpler

Cuttlefish serves as an open-source alternative to commercial transactional email services.


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