Plunk is an open-source email platform built on AWS SES for sending transactional emails, creating event-driven automations, and broadcasting newsletters. It serves as a self-hosted alternative to SendGrid, Resend, and Mailgun.
Scanned 6/8/2026
Install via CLI
openskills install agentskillexchange/skills---
name: "Plunk Open Source Transactional Email Platform on AWS SES"
slug: "plunk-open-source-email-platform-aws-ses"
description: "Plunk is an open-source email platform built on AWS SES for sending transactional emails, creating event-driven automations, and broadcasting newsletters. It serves as a self-hosted alternative to SendGrid, Resend, and Mailgun."
github_stars: 4955
verification: "security_reviewed"
source: "https://github.com/useplunk/plunk"
category: "Calendar, Email & Productivity"
framework: "Multi-Framework"
tool_ecosystem:
github_repo: "useplunk/plunk"
github_stars: 4955
---
# Plunk Open Source Transactional Email Platform on AWS SES
Plunk is an open-source email platform built on AWS SES for sending transactional emails, creating event-driven automations, and broadcasting newsletters. It serves as a self-hosted alternative to SendGrid, Resend, and Mailgun.
## Installation
Requirements and caveats from upstream:
- <a href="https://github.com/useplunk/plunk/actions"><img src="https://img.shields.io/github/actions/workflow/status/useplunk/plunk/docker-publish.yml" alt="Build Status"/></a>
- <a href="https://github.com/useplunk/plunk/pkgs/container/plunk"><img src="https://img.shields.io/badge/docker-available-blue?logo=docker" alt="Docker"/></a>
- The easiest way to self-host Plunk is by using the plunk Docker image.
- Source: https://github.com/useplunk/plunk
- Extracted from upstream docs: https://raw.githubusercontent.com/useplunk/plunk/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/plunk-open-source-email-platform-aws-ses/)
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