MDaemon Messaging Server21.5.1 - Download
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Publisher Description
The MDaemon Messaging Server is an on-premises server designed to meet the needs of small-to-medium businesses. MDaemon is an alternative to Microsoft Exchange and Small Business server that is trusted by organizations in over 90 countries. MDaemon offers enterprise-class features, simple administration, and low total cost of ownership. Customers who want the control of an on-premise mail server, without the complexity and costs of more expensive alternatives, have trusted MDaemon for over 20 years.
About MDaemon Messaging Server
This Mail Servers program is available in English, Chinese, French, German, Italian, Japanese, Portuguese, Russian, Spanish. It was last updated on 29 September, 2026. MDaemon Messaging Server is compatible with the following operating systems: Windows.
The company that develops MDaemon Messaging Server is MDaemon Technologies, Ltd.. The latest version released by its developer is 21.5.1.
The download we have available for MDaemon Messaging Server has a file size of N/A. Just click the green Download button above to start the downloading process. The program is listed on our website since 2021-12-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded software with your antivirus. Your antivirus may detect the MDaemon Messaging Server as malware if the download link is broken.
How to install MDaemon Messaging Server on your Windows device:
- Click on the Download button on our website. This will start the download from the website of the developer.
- Once the MDaemon Messaging Server is downloaded click on it to start the setup process (assuming you are on a desktop computer).
- When the installation is finished you should be able to see and run the program.
Program Details
General
System requirements
Download information
Pricing
Version History
version 21.5.1
posted on 2021-12-14
MDRA: The last view is now remembered for expired sessions
Webmail: Changed all Login references to Sign-in
Pro theme: Added the View Source and Save Source options to the Message View and Message Preview
Content Filter: Macro support for Add an Attachment action
Bug fixes and other improvements
version 21.5
posted on 2021-11-09
"App Passwords" feature
Ability to import email into the current message list
Added Cross-Site-Request-Forgery tokens for more secure transactions
Updated Dropbox integration
Updated trusting local domain host warning to prevent adding a local domain host when clicking "No"
Bug fixes and more!
version 21.0.3.1
posted on 2021-08-03
Fixes:
Possible public contacts corruption when PIM mrk file validation is enabled
Help button doesn't work on Client Settings dialog
Untitled attachments on recurring events with changed occurrences that were saved by MDaemon Connector
XSS vulnerability
Possible crash in MDASMgmt.dll
And more
version 21.0.2
posted on 2021-05-18
Updated ClamAV to v.0.103.2.
Updated MDaemon Connector to v.7.0.4.
LetsEncrypt: Updated script for new staging issuer.
Mobile theme: Added trial version warning on logon pages; Expanded the navigation items for desktop window sizes; Fixed missing translations.
And more fixes & new features.
version 21
posted on 2021-02-09
Hosted email options with MDaemon Private Cloud are now available
Persistent chat rooms
Virus/spam misclassification reporting
Activesync migration client (ASMC) GUI
Improved remote administration, webmail mobile theme, content and IMAP filters
Updated antivirus and spam filter
Bug fixes
version 20.0.3
posted on 2020-10-20
MDaemon will comment out the line "AlertExceedsMax yes" in ClamAV's clamd.conf due to it causing too many "Heuristics.Limits.Exceeded" AV scan failures
Fixed crashes in AclShlFx.dll, CFilter.dll, MDAirSync.dll, MDASMgmt.dll, WorldClient.dll and WCXMPPServer.exe
Fixed ActiveSync issues
And more!
version 20.0.2
posted on 2020-09-22
Hosted email options with MDaemon Private Cloud are now available.
Fixes:
Webmail - compose text may have the wrong font size in Firefox.
ActiveSync - high CPU and memory usage when syncing particular HTML messages; error when accessing shared mail folders.
MDRA - possible crash.
And more!
version 20.0
posted on 2020-06-16
Cluster Service to share your configuration between several MDaemon servers
RequireTLS to flag messages which MUST be sent using TLS
Domain/company-wide MDPGP encryption with a single key for all users
Encrypting outbound mail based on receiving IP
Macros for mailing list messages
And more
version 19.5.5.0
posted on 2020-03-23
Hosted email options with MDaemon Private Cloud are now available. To learn more, please visit: http://www.altn.com/Products/MDaemon-Private-Cloud/.
Fix to Webmail - XSS vulnerabilities.
Fix to CalDAV - Potential memory corruption and crash.
version 19.5.3
posted on 2019-12-12
Hosted email options with MDaemon Private Cloud are now available. To learn more, please visit: http://www.altn.com/Products/MDaemon-Private-Cloud/.
Fix to MDaemon service may hang at startup and prevent other services from starting.
Disclaimer
External Download
We do not host MDaemon Messaging Server on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by the software publisher and passed their terms and conditions to be listed there. We recommend caution when installing it.
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