Displaying 1 to 20 from 22 results

Zimbra - Email and Collaboration Suite


Zimbra is the most capable open source email and collaboration suite available today. It provides support for Email, Shared calendar, Document management, Pop3, Address book and lot more. Mails could be tagged and search support is also provided. Zimbra is considered as an alternative to Microsoft Exchange Server.

Citadel


Citadel is a collaboration suite (messaging and groupware). It provides support for Email, Calendaring/Scheduling, Address books, Bulletin boards, Mailing List Server, Instant Messaging, Wiki, Multiple domain support.

Postal - A fully featured open source mail delivery platform for incoming & outgoing e-mail


Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers. Postal was developed by aTech Media to serve its own mail processing requirements and we have since decided that it should be released as an open source project for the community.

DavMail - POP/IMAP/SMTP/Caldav to Exchange


DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client (e.g. Thunderbird with Lightning or Apple iCal) with an Exchange server, even from the internet or behind a firewall through Outlook Web Access. DavMail now includes an LDAP gateway to Exchange global address book and user personal contacts to allow recipient address completion in mail compose window and full calendar support with attendees free/busy display.




James - Enterprise Mail Server


James (a.k.a Java Apache Mail Enterprise Server) is a 100% pure Java SMTP and POP3 Mail server, and NNTP News server designed to be a complete and portable enterprise mail/messaging engine solution based on currently available open messaging protocols.

IRedMail - Free, Open Source Email Server Solution for Linux


iRedMail is a fully fledged, full-featured mail server solution. It uses open source packages like Postfix, Dovecot, Apache, MySQL, OpenLDAP, Amavisd, RoundCube etc to provide this solution.

Postfix - Mail Server


Postfix is mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure. The outside has a definite Sendmail-ish flavor, but the inside is completely different. It supports IPv6, DKIM, DomainKeys and SenderID authentication, SPF, Sendmail Milter (mail filter) protocol, Zombie blocker, TLS encryption, LDAP and it supports database like MySQL, PostgreSQL, Berkeley DB, Memcache.

Kopano - Collaboration made easy


Kopano Core provides the foundation for groupware messaging enabling clients such as Kopano WebApp, Kopano DeskApp, mobile and sync clients. With its modular architecture, Kopano Core enables the possibility for a variety of setup scenarios, scalable from a very low-powered system to a multi-datacenter setup providing messaging capabilities to tens of thousands of users.


Exim - Message Transfer Agent


Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. There is a great deal of flexibility in the way mail can be routed, and there are extensive facilities for checking incoming mail.

MailCatcher - Catches mail and serves it through a dream


MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail that's arrived so far.

Modoboa - Mail hosting made simple


Modoboa is a 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. Its main features include Administration panel, Amavisd-new frontend, Webmail, Per-user Sieve filters, Autoreply messages for Postfix, Graphical statistics about email traffic and lot more.

Kolab - Groupware Server


Kolab is a secure, scalable and reliable groupware server. Kolab helps to manage Email, Calendar, Contacts. It comes with a File Cloud and an advanced Task Management Module.

MailSlurper - Local, web-based mail server application. Slurp mails into oblivion!


MailSlurper is a small SMTP mail server that slurps mail into oblivion! MailSlurper is perfect for individual developers or small teams writing mail-enabled applications that wish to test email functionality without the risk or hassle of installing and configuring a full blown email server.

deepOfix - Mail Server


The deepOfix Mail Server makes it possible for organisations with minimal technical expertise to have robust messaging infrastructure. It has built in LDAP support, SMTP, POP3 and IMAP services.

greenmail - Official master for the Greenmail project


GreenMail is an open source, intuitive and easy-to-use test suite of email servers for testing purposes. Supports SMTP, POP3, IMAP with SSL socket support. GreenMail also provides a JBoss GreenMail Service. GreenMail is the first and only library that offers a test framework for both receiving and retrieving emails from Java.

Hermes Secure Email Gateway


Hermes Secure Email Gateway is a Free Open Source Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving.

Mireka - Mail server and SMTP proxy


Mireka is a mail server with SMTP, Mail Submission and POP3 services. It is also an SMTP proxy. As a proxy, it can help to prevent or diagnose mail problems, like outgoing backscatter spam.

Java Email Server


JES is a multi-featured hybrid MTA/MDA server written in the java programming language. It supports TLS, SSL, SMTP authentication, spam control and lot more.

C# Email Server - SMTP and POP3 Email Server in CSharp


C# Email Server (CES). Implements SMTP and POP3 components that can be used as a standalone server or as components in other applications. It is a port of the Java Email Server (JES). This component allows a program to accept incoming emails and process them using user defined logic.

OpenChange - Open Source implementation of Microsoft Exchange server


OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.