Sending

MTAs

Open-source mail transfer agents for self-hosting outbound email infrastructure.

16 resources

EmailSuccess

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High Performance Mail Transfer Agent Solution.

GreenArrow

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Email delivery software for people who need a smarter, more powerful send.

Halon

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The MTA for large-scale email services.

Haraka

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Haraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system.

Hurricane

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Hurricane is built to perform, delivering billions of messages every year quickly and reliably.

Interspire

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Self-hosted email marketing software for sending and managing campaigns from your own server.

MailerQ

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MailerQ is a high MTA designed for delivering large volume email messages.

Mailtrain

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A self-hosted newsletter and mailing list manager built in Node.js.

MailWizz

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Self-hosted email marketing software with campaign management, list segmentation, and autoresponders.

Mautic

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An open-source marketing automation platform covering email, forms, and campaign workflows.

Momentum

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Scalable, high-performance, enterprise-grade email MTA.

OpenEMM

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Open-source email marketing software for sending and managing newsletter campaigns.

Postfix

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A free and open-source MTA.

PowerMTA

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Enterprise-grade email MTA for sending high-volume, business-critical emails.

SendPortal

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A self-hosted, open-source newsletter and campaign sending application.

Sendy

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A self-hosted newsletter application that sends email through Amazon SES at a fraction of typical ESP cost.