Best Open Source Mail Server Software

Best Open Source Mail Server Software 6,0/10 421 reviews

Comparison of mail servers. With open-source parts. Internal, LDAP, Open LDAP, Active Directory: Mail server SMTP AUTH POP before SMTP.

  1. Citadel
  2. Free Open Source Mail Server
  3. Apache James

I am looking for a mail server software which can fulfill my following requirements: -Unlimited mail boxes.Webmail, Calendar, Scheduler, Messenger etc.Fail over setup.Good Support.Effective spam controller.Robust Performance Considering the above requirements I found some mail server software's and was in confusion to choose the best one, the searched list is as follows: -Smartermail -Kerio -IceWrap -Zimbra -Mailenable -Modus Mail Please suggest a best mail from the above or any if you know and your bad and good experiences with them. Edited Aug 13, 2013 at 2:34 UTC. Have you also considered MDaemon?

You can learn more about MDaemon & see a list of features. Some of MDaemon's features include:. Webmail with calendaring & free/busy integration.

Robust spam filter with heuristic analysis, Bayesian learning & optional Outbreak Protection when SecurityPlus is used. Flat-file structure for easy customization of configuration files and easy backup & restore.

Instant messaging via the included ComAgent application or via the ComAgent chat bar in WorldClient.and much more. Please let me know if you have any questions.

I'll be happy to assist. I have been moving clients from Exchange to Kerio Connect when they want/need an in house solution. I find that it pays out in a little over a year when comparing to hosted exchange solutions. Many folks then say what about management well that is hard to define because it is so trouble free I typically connect remotely to the system hosting Connect and run updates after the nightly backup has run and that may take 15 min. This is not exchange!

Looking at the numbers for $2 per user per month for a 25 gig inbox (rackspace pricing). You are looking at $240,000 a year. The prices aren't really that bad especially if email is mission critical for your environment. If we take a look at the hardware you would need to facilitate a similar environment.

Citadel

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You will need 244 TB of storage. Enough processing power to facilitate the interactions as well as being able to manage the servers and infrastructure. You are looking at someones salary a year plus the hardware, software, support, and soft costs (electrical, cooling, HVAC, backups, etc.) that will go along with it. If you went deep down and actual looked at the pricing of an on-site solution vs. A hosted one you may be surprised. After looking at your profile it looks like you are an IT service provider so you are probably looking at this as a managed solution for you clients? You setup the servers and manage their email so they don't have to?

Free Open Source Mail Server

Why take on the risk of having this stuff in house and go through all the compliance and regulation (if you would be affected by that) when you can outsource this make it seamless to your customers charge a 1$ a month premium per account for setup and management (that's optional) and still be able to pass the liability off to a provider who does email. Just my two cents. I want to thank all you guys for trying to help me. After this long discussion here I came to know many things which were raised like hosting services etc. I would like to say that I want to manage my mail server from hardware to software without depending on hosting services.

  • Explore the world of open source alternatives to Gmail. 4 open source webmail clients for browser-based. If you setup a mail server and then one of these.
  • The 5 best open source mail clients for Linux. I have chosen five of the best, fully open source mail clients. You need to enter the server information.

As said before we are having a environment where I can deploy my mail server. Actually I want to find out the reliable mail server in the market with modern features, but this is little bit diverted to hosting services. So now I got list of mail servers and will evaluate them and will choose the best suited one for our needs. Thanks for your help and support.

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Apache James

Srinivas2324 wrote: Zimbra's Network Edition Configuration is Expensive and there sales team did not respond to my requirements. You might want to take a look at the open source version of Zimbra. It does most of the things on your list, is under active development, and has a significant user base. There are open source and for pay add ons that give it the functionality of the Network Edition, but without the cost. From the Zimbra forums, it sounds like there are plenty of places using the open source version with larger user counts than you're talking about.

If you're looking to run a mail server on a dedicated box with open source tools, then for reliability and generally thorough testing of the code you would want to dedicate a system to the task, and for open source there's no match for running on the 'native' platform of Linux or FreeBSD. You don't mention why you have to do it on a Windows box, but the last time I was asked this type of question it was because someone wanted to stick a mail server program on their workstation. This causes issues with reliability, but also can cause issues with being blacklisted. Plus updates and installing/uninstalling software that people use on desktops was always a crapshoot as to whether it would screw up the mail. If you are doing this on a Windows box because it's what you have available, you could always try running something like VMWare and create a VM to run the program in question.

That way you get open source servers running on their native platform, as well as an easy way to back up the state of the machine should you need to restore to another system. More resource hungry but it may save you some headaches. There aren't a lot of open-source mail servers for Windows; most open source projects on it are ports, often using CygWin to run them, and tend to be slower and non-optimized (and less well tested) and you generally won't get as much of an audience from which to ask for help when using open source on the Windows platform. There are some free programs for Windows but they also tend to have a far smaller userbase. My advice would be to consider using a Linux box dedicated specifically to acting as a mail gateway or look at using a virtual machine solution on Windows if you must use a Windows box. @AshkanMobayenKhiabani The usual answer is, 'Whatever OS you're most comfortable with, and whichever server application has the most active and supportive community if you're new to using it.' Most Linux distros are differentiated by their support community and method of updating, so you might want to see what is out there and choose from that.

As for mail, most common mail transport agents are capable of handling quite a bit of traffic on modest hardware, so my advice is to take a look at some different MTA configuration files and see what looks manageable to you. – Jan 9 '17 at 13:10.

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