listmonk vs SendPortal

A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeaturelistmonkSendPortal
Deploy effortUnder-an-hour setupRead-the-docs project
Health score97 · Excellent17 · At risk
CategoryMail ServersMail Servers
LicenseAGPL-3.0MIT
LanguageGoPHP
Setup difficultyEasyMedium
Min. RAM512 MB512 MB
Deploymentdocker, binary, sourcebare-metal, source
GitHub stars★ 23,552★ 2,174
First released20202020
ReplacesMailchimp, SendinblueMailchimp

What are listmonk and SendPortal?

listmonk

listmonk is a high-performance, self-hosted newsletter and mailing list manager written in Go. It supports millions of subscribers, rich campaign analytics, and a built-in admin dashboard.

  • Handles millions of subscribers
  • Campaign analytics dashboard
  • Single binary deployment
  • REST API and SMTP support

Read the full listmonk guide →

SendPortal

SendPortal is a self-hosted email marketing application for Laravel that manages subscribers, segments, and campaigns, delivering newsletters through providers such as Amazon SES, Mailgun, or your own SMTP.

  • Self-hosted newsletter platform
  • Subscriber segments and campaigns
  • Works with SES, Mailgun, and SMTP

listmonk vs SendPortal: key differences

Listmonk is written in Go, while SendPortal is built with PHP. Licensing differs — AGPL-3.0 for listmonk versus MIT for SendPortal. Listmonk has the considerably larger community, at 23,552 GitHub stars versus 2,174. Listmonk lists first-class Docker deployment; SendPortal does not.

Why pick each one

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI

Watch out for

  • Newsletter-focused, not a mail server
  • Requires Postgres
listmonk details

Choose SendPortal if…

  • Released under the MIT license
  • Active community (2.2k GitHub stars)
  • Written in PHP
  • Lightweight — runs in 512 MB RAM
SendPortal details

Frequently asked questions

Is listmonk or SendPortal better?

listmonk is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider SendPortal if its specific feature set fits your needs better.

Are listmonk and SendPortal free and open-source?

Yes. listmonk is licensed under AGPL-3.0 and SendPortal under MIT. Both can be self-hosted at no software cost.

Can I run listmonk and SendPortal with Docker?

listmonk: yes. SendPortal: check the project docs for container support.

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