Modoboa is an open-source email server for enterprises

Modoboa Transactional Email Service

Setup your Open Source Email Server with Modoboa

Modoboa is a free and open-source email server for big enterprises. It has all the features of a fully functional email server similar to commercial services.


Modoboa is a 100% free and open-source email server. It is a highly scalable python-based email server with simplicity and speed at its core. Modoboa brings together the best open source tools to install, configure and secure your own email server. It is written in Python and can be extended. All the source code is available on Github.

It comes with a great number of features like, multiple domains per single setup, calendar management, address book manager, long list of administration tools that includes monitoring, real-time statistics, security configuration, users, and permission manager.

The biggest positive of Modoboa, open-source email server is its easy-install approach. You can literally set up your own email server in less than 10 minutes. It frees you from dependence on email providers.

Modoboa is a highly extendable platform. It is built with modularity in mind. Actually, all current features are extensions. It integrates with well-known software such as Postfix or Dovecot. A SQL database is used as a central point of communication between all components.

Modoboa is a great tool that has a modular extension based architecture that provides a complete, stable, secure, and extendable free open source email server. Modoboa can also be used as Incoming Mail Server, and Outgoing Mail Server (Mail Transfer Agent). If you want to quickly and easily set up your own highly scalable open-source email server, and looking for a solution that you can customize. Then Modoboa supports all the required features. It is one of the most promising open-source email servers available as an alternative to commercial providers.

System Requirements

You will need a Server to perform well with at least:

  • CPU: 2
  • RAM: 2GB
  • Disk: 10GB
  • Python 3


Following are the key features of Modoboa Open-Source email Server

  • Administration panel
  • Reputation protection: DNSBL checks, DMARC reports and more
  • Amavis frontend
  • Webmail
  • Calendar
  • Address book
  • Per-user Sieve filters
  • Autoreply messages for Postfix
  • Graphical statistics about email traffic


Modoboa Installer is the easiest and the quickest way to set up a fully functional server (modoboa, postfix, dovecot, amavis and more) on one machine.

To use it, just run the following commands in your terminal:

$ git clone
$ cd modoboa-installer
$ sudo ./ <your domain>

if you get this warning - ‘/usr/bin/env: ‘python’: No such file or directory’, do make sure sure python is installed on your server. Sometimes python is installed but the installer can’t detect it or which python version to run, especially on a debian based system. Then run this command first.

sudo apt-get install python-virtualenv python-pip

Wait a few minutes and you’re done


What is Modoboa used for?

Modoboa is an open source email server. That helps enterprises to setup their own open source email server for free.

Is Modoboa free?

Modoboa is a self-hosted open source email server. And yes it is 100% free and open source.

bower command is missing in

bower command is missing in if you don’t use the --devel option of the deploy command.

To fix it, regenerate your instance or update your file manually. Look at devmode in

Does Modoboa team helps you to install and maintain your email server?

If you don’t have the knowledge to install your email server on your own? Modoboa team can assist you though they’ll charge you for their services.