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ZoneMTA project preview
BusinessAlternative to SendGridAlternative to MailgunAlternative to PowerMTA

ZoneMTA

Modern outbound Mail Transfer Agent (MTA) with clustering, DKIM, and IP pool routing.

View on GitHub
LicenseEUPL-1.2
GitHub stars1.2k
Last commit1 weeks ago
Tags5 topics
High Volume MailerZonemta RelayIp Pool RotationDevopsOutbound Mta Server
Overview

Why consider ZoneMTA?

ZoneMTA is an open-source outbound Mail Transfer Agent (MTA) for high-volume email delivery written in JavaScript/Node.js by Andris Reinman. ZoneMTA features automated IP pool rotation, DKIM signing, bounce parsing, queue throttling, and per-sender rate limiting.

Guided learning

Learn ZoneMTA by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of ZoneMTA

ZoneMTA handles outbound transactional email delivery with granular IP pool routing policies.

Docker Quickstart

bash
1docker run -d -p 2525:2525 zonemta/zone-mta:latest

ZoneMTA is licensed under the European Union Public Licence (EUPL-1.2).

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ZoneMTA FAQs

ZoneMTA is listed as a Business tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

ZoneMTA is listed under the EUPL-1.2 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

ZoneMTA is listed as an alternative to SendGrid. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.