About Free Open Source Mail Servers :
There have too Free Mail Servers is available on internet but all are not good and easy to use so If you want to make self hosted Mail Servers then my this article will help you to find best Open Source Mail Server . This Mail Server are supports almost all the protocols like (IMAP, SMTP and POP3) . As you know mostly all the email servers used two agents 1. MDA which is know as Mail Delivery Agents and anther one is 2.MTA Mail Transfer Agent .
The right way to build your mail server with open source softwares. Since 2007.
Works on Red Hat Enterprise Linux, CentOS, Debian, Ubuntu, FreeBSD, OpenBSD.With iRedMail, you can deploy an OPEN SOURCE, FULLY FLEDGED, FULL-FEATURED mail server in several minutes, for free.
iReadMail Demo : – https://www.iredmail.org/admin_demo.html
Zimbra Collaboration Suite is a collaborative software suite, that includes an email server and web client. Zimbra was initially developed by LiquidSys, which changed their name to Zimbra, Inc. on 26 July 2005.
Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. It comes with useful components such as an administration panel, a frontend for amavis or a webmail.
Modoboa Demo : https://demo.modoboa.org/
MailEnable provides Windows Mail Server software with features comparable to Microsoft Exchange. It provides powerful messaging services like Exchange ActiveSync, IMAP, SMTP, POP3 and collaboration tools such as calendaring (CalDAV), contacts (CardDAV), tasks and notes.
- Integrated Chat for WebMail/Mobile
- XMPP Sockets/BOSH Chat Service
- Video/Audio Chat
- Screen Sharing via WebRTC
- Proxy Authentication for ActiveSync
- Integrated SOCKS5 Proxy
- Integrated HTTP Upload Service
- Improved WebMail Layout/Performance
- New Remote Administration API/Component
- Updated PowerShell Management Interface
- Multi-Factor Authentication
MailEnable Demo : https://www.mailenable.com/webmail_demo_note.asp
Axigen is a Windows & Linux Mail Server with groupware and collaboration features like outlook connector, push email, shared folders, or PIM Sync.
Axigen Demo: http://demo.axigen.com/