Awesome Open Source Mail Gateway/SMTP/MTA

An email gateway of an organization is the email server through which every incoming or outgoing email passes; these servers act as gateways into the email platform of the user organizations. Instead, it analyzes and inspects all inbound emails before letting them through to a user's email inbox.

Awesome Open Source Mail Gateway/SMTP/MTA
Awesome Open Source Mail Gateway/SMTP/MTA

Hello there guys, today session I would like to share with all of you about awesome open source Mail Gateway and SMTP.

What is email gateway?

An email gateway of an organization is the email server through which every incoming or outgoing email passes; these servers act as gateways into the email platform of the user organizations. Instead, it analyzes and inspects all inbound emails before letting them through to a user's email inbox.

Gateway

CipherMail (Free) Centrally managed email encryption at the gateway level and on mobile devices.

Scrollout F1 (Free) An easy to use, already adjusted email gateway (firewall) offering free anti-spam, anti-virus protection in order to secure all existing email servers, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Qmail and more.

MailCleaner (Free) MailCleaner is a full email filtering gateway. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access.

Xeams (Free) Free email server that can be used by any corporation to handle their enterprise email. It works on any operating system and can handle unlimited number of emails and domains. Xeams can work in 3 modes, Stand alone, Spam firewall or Hybrid mode.

 

Tools

ViMbAdmin (Opensource) The ViMbAdmin provides a web based virtual mailbox administration system allowing mail administrators to manage domains, mailboxes and aliases.

Mail MTA Server

Axigen (Free, Demo) The Axigen Free Mail Server is a great alternative to open source. It is a turnkey messaging solution, perfect for small & micro businesses, integration projects or test environments.

Citadel (Opensource) Easy, versatile, and powerful, thanks to its exclusive "rooms" based architecture.

iRedMail (Opensource) A zero cost, fully fledged, full-featured mail server solution.

Kolab (Opensource) The world's most loved open source collaboration software.

Mailcow (Opensource) Mailserver suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. In future versions mailcow will provide Cal- and CardDAV support.

Mail-in-a-Box (Opensource) Mail-in-a-Box lets you become your own mail service provider in a few easy steps. It’s sort of like making your own gmail, but one you control from top to bottom.

Modoboa (Opensource, Demo) Mail hosting and management platform including a modern and simplified Web User Interface. It provides useful components such as an administration panel or a webmail.

PEPS (Opensource) Open source Email + File sharing with end-to-end encryption.

Poste (Free, Demo) Complete mail server built in docker.

SOGo (Opensource) Share your calendars, address books and mails in your community with a completely free and open source solution.

Zimbra (Opensource) Zimbra Collaboration Open Source Edition provides administrators and their end users innovative features that solve the challenges faced by organizations using today's legacy communications infrastructure.

I hope you find it useful and help you gain a lot of knowledge, cheers guys.