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Best Open Source SendGrid Alternatives

Discover the best open source alternatives to SendGrid.

The best open source alternative to SendGrid is Postal. If that doesn't suit you, we've compiled a ranked list of other open source SendGrid alternatives to help you find a suitable replacement.

SendGrid alternatives are mainly Email Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of SendGrid.

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A platform for sending transactional and marketing emails with tools for email creation, delivery, and analytics.

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Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.

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Postal is a powerful, open-source mail delivery platform designed for developers and businesses who need reliable, scalable email infrastructure. With Postal, you can take full control of your email sending capabilities, whether for transactional messages or large-scale marketing campaigns.

Key benefits of Postal include:

  • Self-hosted solution: Deploy Postal on your own servers, maintaining complete control over your email infrastructure and data.
  • Scalability: Handle from a few emails to millions per day with ease, thanks to Postal's efficient architecture.
  • Comprehensive API: Integrate Postal seamlessly into your applications with its well-documented RESTful API.
  • Multiple domains: Manage and send emails from multiple domains within a single Postal instance.
  • Advanced tracking: Monitor email delivery, opens, and clicks with detailed analytics and webhooks.
  • SMTP support: Use Postal as an SMTP server for your existing applications or email clients.
  • Suppression lists: Maintain clean sending practices with built-in suppression list management.
  • Template management: Create and manage email templates directly within the Postal interface.
  • Webhook integrations: Receive real-time notifications about email events for better monitoring and automation.
  • Open-source flexibility: Customize and extend Postal to fit your specific needs, with the backing of an active community.

By choosing Postal, you gain a robust, cost-effective email delivery solution that puts you in the driver's seat, ensuring optimal deliverability and performance for your critical communications.


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