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List of Top Free Open Source & Self Hosted Application for Communication – Email – Complete Solutions

Simple deployment of E-mail servers, e.g. for inexperienced or impatient admins.

AnonAddy – Open source email forwarding service for creating aliases. MIT PHP
DebOps – Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts. GPL-3.0-only YAML/Ansible/Python
docker-mailserver – Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database. MIT Docker
emailwiz – Luke Smith’s bash script to completely automate the setup of a Postfix/Dovecot/SpamAssassin/OpenDKIM server on debian. GPL-3.0 Bash
Excision Mail – Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible. ISC Shell/Ansible
homebox – Suite of Ansible scripts to deploy a fully functional mail server on Debian. Unobtrusive and automatic as much as possible, focusing on stability and security. GPL-3.0 Shell
Inboxen – Inboxen is a service that provides you with an infinite number of unique inboxes. GPL-3.0 Python
iRedMail – Full-featured mail server solution based on Postfix and Dovecot. GPL-3.0 Shell
Maddy Mail Server – All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon. GPL-3.0 Go
Mail-in-a-Box – Turns any Ubuntu server into a fully functional mail server with one command. CC0-1.0 Shell
Mailcow – Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. GPL-2.0 Docker/PHP
Mailu – Mailu is a simple yet full-featured mail server as a set of Docker images. MIT Docker/Python
Modoboa – Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. ISC Python
Postal – A complete and fully featured mail server for use by websites & web servers. MIT Docker/Ruby
Simple NixOS Mailserver – Complete mailserver solution leveraging the Nix Ecosystem. GPL-3.0 Nix
SimpleLogin – Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps. MIT Docker/Python
wildduck – Scalable no-SPOF IMAP/POP3 mail server. EUPL-1.2 Nodejs

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Certification Courses

DevOpsSchool has introduced a series of professional certification courses designed to enhance your skills and expertise in cutting-edge technologies and methodologies. Whether you are aiming to excel in development, security, or operations, these certifications provide a comprehensive learning experience. Explore the following programs:

DevOps Certification, SRE Certification, and DevSecOps Certification by DevOpsSchool

Explore our DevOps Certification, SRE Certification, and DevSecOps Certification programs at DevOpsSchool. Gain the expertise needed to excel in your career with hands-on training and globally recognized certifications.

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