

Want to convert your Linux-based server into a powerful open-source Mail server then set up iRedMail. IRedMail – Free, Open Source Mail Server Solution
FREE EMAIL TRACKING FOR GMAIL BUSINESS FULL
Full support for client-side PGP and S/MIME email encryption.IMAP4rev1 as well as POP3 access to mail.Microsoft Outlook support using their own proprietary Kolab connector PlugIns.Features Email, Calendar, Address Books, Tasks and File-Cloud.ActiveSync and CalDAV, CardDAV and WebDAV support.For Mozilla clients, it uses the SyncKilab extension, and to support Microsoft Outlook it uses proprietary Kolab-Connector PlugIns. It provides a mail server called Kolab server and supports varieties of clients such as KDE PIM-Suite Kontact, Roundcube web frontend, Mozilla Thunderbird, and Mozilla Lightning. Kolab is one of the best free and open-source mail servers that provide enterprises class functionalities. Kolab is a free and open-source groupware suite. We have gathered some of the best known free Mail servers and some of them are open source too.
FREE EMAIL TRACKING FOR GMAIL BUSINESS SOFTWARE
If you want open-source and free Mail server software to create a mail server for an enterprise or SMB then you are at the right place. HMailServer Opensource and Free Mail Servers Software List
