Free, open-source, self-hosted newsletter manager built in Go. Handles millions of subscribers on minimal hardware with PostgreSQL backend.

How much does Listmonk cost?

Listmonk pricing starts at Free (open source). A free plan is available.

Listmonk Review 2026: 8.4/10, Free and Open Source

Q: How do I install Listmonk?

The fastest method is Docker with a PostgreSQL container. Setup takes under 15 minutes. Binary releases also available.

Q: Can Listmonk replace Mailchimp?

For newsletter sending and subscriber management, yes. For marketing automation and landing pages, no.

Q: Is Listmonk suitable for transactional emails?

It has a transactional API for individual messages, though dedicated services may be better for high-volume transactional use.

TLDR

Listmonk is a free, open-source, self-hosted newsletter and mailing list manager built in Go that handles millions of subscribers with minimal resources. Best for: developers and technical teams who need high-performance email at zero cost. Price: Free. Rating: 8.4/10

What is Listmonk?

Listmonk is an open-source newsletter and mailing list manager written in Go with a PostgreSQL backend. It was built to solve a specific problem: handling massive subscriber lists without the performance bottlenecks that plague PHP-based alternatives. With over 15,000 GitHub stars, it has become one of the most popular self-hosted email tools in the open-source ecosystem.

The pitch is simple. Install it on a $5/month VPS, connect any SMTP provider (Amazon SES, Postmark, your own mail server), and manage millions of subscribers from a single binary that barely touches your server resources.

Key Features

High-Performance Architecture

Built in Go with PostgreSQL, Listmonk is designed for throughput. It can process hundreds of thousands of messages per minute on modest hardware. The single binary deployment means no dependency management, no PHP version conflicts, no memory leaks during large sends.

Rich Templating System

Campaigns use Go templates with full access to subscriber attributes and custom data. You can build dynamic content, conditional blocks, and personalized sections without external tools. The template editor includes a live preview that renders with actual subscriber data.

Subscriber Management

Import subscribers via CSV or JSON, manage them across multiple lists, and track engagement metrics per subscriber. Custom attributes support any JSON structure, giving you flexible segmentation without rigid field definitions. Bulk operations handle millions of records efficiently.

Analytics and Tracking

Track opens, clicks, bounces, and campaign performance over time. Analytics are stored locally in PostgreSQL, so you own all the data. Dashboard charts show trends across campaigns, and individual campaign reports break down engagement metrics clearly.

Bounce and Complaint Handling

Listmonk processes bounce notifications via webhooks or POP/IMAP mailbox scanning. Hard bounces automatically blocklist addresses, soft bounces track retry counts. This keeps your sender reputation clean without manual intervention.

Media Manager

Upload and organize images, attachments, and other media directly in Listmonk. The built-in media library integrates with the template editor, so inserting images into campaigns takes a couple of clicks rather than manual URL pasting.

REST API

A comprehensive API covers subscribers, lists, campaigns, templates, and media. Every action available in the UI is accessible programmatically, making it straightforward to integrate Listmonk into existing workflows, landing pages, or custom applications.

Pricing

Listmonk is completely free and open source under the AGPL license. There are no paid tiers, no premium features, no usage limits. Your only costs are hosting (a $5-10/month VPS handles most use cases) and your SMTP provider. Using Amazon SES, that works out to $0.10 per 1,000 emails.

For context, managing 100,000 subscribers and sending weekly newsletters would cost roughly $5/month for hosting plus $40/month for SES. The same setup on Mailchimp runs $800+ monthly.

Pros and Cons

Pros

Completely free with no feature restrictions or subscriber limits
Exceptional performance handling millions of subscribers on minimal hardware
Single Go binary makes deployment and updates trivial
Modern, clean web interface that loads instantly
Active open-source community with frequent releases

Cons

Requires PostgreSQL and server administration knowledge
No built-in automation or drip sequence support
Template system uses Go syntax which has a learning curve
Smaller plugin ecosystem compared to established platforms
No visual drag-and-drop email builder

Plan	Price	Plan Features	Best For
Open Source	Free	Unlimited subscribers, unlimited emails, all features included	Everyone

Who Should Use Listmonk?

Listmonk is perfect for developers, technical founders, and organizations that need to manage large subscriber lists without paying SaaS prices. If you are comfortable with Docker or basic server administration, the setup takes about 15 minutes and the ongoing maintenance is minimal.

It is not ideal for non-technical users who need a plug-and-play solution, or for teams that rely heavily on marketing automation features like conditional workflows, lead scoring, or CRM integrations.

Alternatives

Sendy

A self-hosted newsletter tool that costs $69 one-time and integrates exclusively with Amazon SES. Sendy is easier to install (standard PHP/MySQL stack) but significantly slower with large lists. Better for non-developers who want a simpler setup at the cost of performance.

Mautic

An open-source marketing automation platform that covers email, SMS, landing pages, and lead scoring. Mautic is far more feature-rich but also far more complex to run. Choose Mautic when you need full marketing automation, not just newsletters.

Mailcoach

A self-hosted email platform from the Spatie team, built on Laravel. Mailcoach offers automation features and a polished UI that Listmonk lacks, but requires a $249+ license for self-hosting. Good middle ground between free open-source and full SaaS.

FAQ

What SMTP providers work with Listmonk?

Any SMTP provider works, including Amazon SES, Postmark, SendGrid, Mailgun, or your own mail server. Listmonk is provider-agnostic, unlike tools that lock you into a specific service.

How do I install Listmonk?

The fastest method is Docker: run the official Docker image with a PostgreSQL container. The entire setup takes under 15 minutes. Binary releases are also available for manual installation on Linux, macOS, and Windows.

Can Listmonk replace Mailchimp?

For newsletter sending, subscriber management, and basic segmentation, yes. For marketing automation, landing pages, customer journeys, and built-in integrations, no. Listmonk focuses on doing one thing extremely well rather than being an all-in-one platform.

Is Listmonk suitable for transactional emails?

Listmonk has a transactional email API that lets you send individual messages using templates. It works for basic transactional needs, though dedicated services like Postmark or SES direct may be better for high-volume transactional use cases.

What We Like

What Could Be Better