Kolab is a free and open source groupware suite. Kolab is one of the best free and opensource mail server that provides enterprises class functionalities. Zimbra is the most popular opensource mail server and used millions of people.
Zimbra is an enterprise suitable email server and client solution. This is mail solution is cloud ready for both public and private. The intuitive mailbox integrates address book, email, tasks, calendar files and enterprise applications. Zimbra can be deployed as a virtual appliance on private or public cloud and provides Mobile Web Client app too. Want to convert your Linux based server into the powerful open source Mail server then set up iRedMail.
Modoboa is another Linux based opensource mail hosting and management platform with easy to use web user interface. Other useful components of this mail server are administration panel, a frontend for Amavis or a webmail. It is written in Python and uses the Django, jQuery and Bootstrap frameworks.
Know more about the Modoboa installation and how its web interface looks like. It is entirely written in Java. The basic web-based calendaring and scheduling services integrated into its webmail module. It can provide mail services for regular operating system accounts. The mail filtering engine, the webmail server, and the IMAP server also available. Download the Dwarf Mail Server. MailEnable comes in two editions premium and Standard Editions. The standard one is free to use the mail server.
It features including personal calendaring, contacts, tasks, folders, auto signature, multilingual capabilities and much more. Axigen is another enterprise class mail server for small and medium business. It is a good alternative to Opensource mail servers but the free version is limited to 5 domains, 5 users, and 5 groups. Zentyal Server is not only a mail server but more than that, it a full package of network management. Once the Apache webserver is installed, run the following command to enable all required modules:.
Next, you will need to edit the SOGo virtual host configuration file and replace https connection with http and with the port Save and close the file then check the Apache server for any syntax error by running the following command:. At this point, the Apache webserver is installed and configured. You can now proceed to the next step. You can do it by editing the SOGo main configuration file:. Save and close the file when you are finished then restart the SOGo service to apply the changes:.
At this point, SOGo is started and listening on port You can check it with the following command:. The decision for the EPL was based on a study published by the Fraunhofer-Gesellschaft, which was a very good decision-making… read more.
The functionality and transparency of intelligent EGroupware go far beyond the repertoire of comparable solutions. It saves time, creates flexibility… read more. Skip to content. EGroupware Upgrade to the new version. View details. What is EGroupware? EGroupware — smart online office. Why EGroupware?
Easy and effective. The powerful open source groupware. Ready to go in one minute. Try now for free. Learn more Load video Always unblock YouTube. EGroupware is. Plan meetings, group appointments or holidays centrally! Almost 20 years later, the modern-day Citadel boasts all of the functionality of a mature groupware server. One of the miracles that Citadel can perform is providing all of the most-used functionality of Microsoft Exchange with little fuss and and even less cost.
Many modern organizations are coming to the realization that their IT budget is largely controlled by Microsoft's licensing fees and hardware requirements. Although organizations can prepare for some of these costs, many are looking at Vista with trepidation.
Although the hardware requirements for Vista aren't obscenely over the top, many organizations still will need to upgrade their hardware in order to run it. And, sooner or later, run it they will. The hardware upgrade cycle is a never-ending source of pain for some organizations, because not only do servers and server software need to be upgraded on a somewhat regular basis, but untold numbers of workstations also need attention.
Depending on the size of your organization, your Microsoft Exchange server might be the most robust server in the closet, and finding a suitable replacement for Exchange is quite often a show-stopper. Citadel is a groupware solution that allows organizations not only to avoid upgrading software, but it also runs on a significantly lower-powered machine, thus breaking the hardware upgrade cycle for years to come.
It's always good practice to install and test everything on a test server before moving it into a production environment. Swapping out your mail server is certainly no different, and you should keep your Citadel testing as far away from your production system as possible. Obtaining and configuring Citadel is several orders of magnitude easier with an Internet-connected server, however, because you can avail yourself of the Easy Installation process.
As of this writing, the most current version of Citadel is 6. I highly recommend a trip by the Citadel site in order to obtain the most current version of the server and the most current version of the installation instructions. Our testing environment consisted of Debian Sarge with a 2. For no particular reason, we selected the Web server installation option, but virtually any installation category should work, as Citadel installs everything it needs.
In the past, we have installed and run Citadel on a Debian Sarge server proper, and in both cases the installation was flawless. I cover the Easy Installation method here not only because it's easy, but it's also fairly undemanding on resources and therefore quite likely that anyone can make use of it. Just about the only requirement for the Easy Installation method is a working—and preferably fast—Internet connection. The Easy Installation method requires the toolchain, or build environment, to be present on the target platform.
In addition, curl or wget is required. If you'd like to support SSL connections to the server, you also need libssl-dev. On a Debian system, use the following command to install or verify your build environment:. Before installing, it is worth noting that Citadel is designed as a black box system running on your server. Citadel downloads, unpacks and starts the installation process.
You need to pay attention to the installation process, as Citadel asks all the right questions, but you won't need any of your arcane configuration logs to answer them.
Citadel is humble, and although it brings a lot of power to the party, it doesn't assume that you want any of it. Further, there is a Web interface, called WebCit, which users can make use of to get all of their e-mail, calendar and contact information when on the road or otherwise away from their local e-mail and Personal Information Manager client.
If you elect to install WebCit, Citadel won't assume that you want it running on port It therefore is possible to run WebCit on a nonstandard port and leave any existing Web sites you have on port 80 undisturbed.
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