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MDaemon Messaging Server
MDaemon logo
MDaemon 14.0 Running on Windows.
Developer(s) Alt-N Technologies, Ltd.
Initial release July 31, 1996 (1996-07-31)
Stable release 14.5.2 / November 20, 2014 (2014-11-20)
Operating system Microsoft Windows
Available in 9 languages
Type Mail Server, Webmail, ActiveSync, IM, Groupware
License Proprietary
Website .com.altnwww

MDaemon Messaging Server[1] is a Windows-based email and groupware server developed by Alt-N Technologies, based in Grapevine, Texas.[2]

MDaemon's features include a built-in spam filter with Heuristic and Bayesian analysis, SSL and TLS encryption, public and shared folder support, mailing lists, web-based email client (WorldClient), support for sharing of groupware data (calendar, contacts, tasks & notes), over-the-air synchronization of mobile devices via ActiveSync, BlackBerry Internet Service, and an optional BlackBerry Enterprise Server (BES) plug-in.[1]

File Structure

MDaemon's main configuration files are stored in the MDaemon/App directory and email is stored in a flat-file structure within the MDaemon/Users directory.[3]

Early History

In the mid 1990s, Arvel Hathcock began writing MDaemon. Hathcock began writing software at the age of 14 on a TRS-80 model MC-10 that his father bought him. After developing bulletin board software for several companies, he joined Mailing List Systems Corporation. Hathcock became frustrated at the expense of the available email software and decided to write his own. In 1996 he founded Alt-N Technologies to produce and sell his email server, MDaemon.[4]

Additional Applications Included with MDaemon

WorldClient (Web-Based Email Client)

MDaemon includes a web-based email client (WorldClient) for browser-based access to email,birthday, calendars, contacts, documents, tasks and notes. Documents can be attached to messages or placed in a shared document repository via drag & drop. Custom access rights can be granted to public and shared folders for collaboration purposes. The integrated chat sidebar can be used to chat with other MDaemon users.[5]

Remote Administration (WebAdmin)

Remote Administration (WebAdmin) is included and can be used to configure MDaemon. The web-based remote administration tool provides access to most MDaemon settings, such as account management, security settings, mobile device management, and access to log files.[6]

Closed Instant Messaging (ComAgent)

Also included, the Closed Instant Messaging Client (ComAgent) features group chat, buddy list, file sharing, email notifications, and automatic address book synchronization.[7]

Optional Applications for MDaemon

SecurityPlus for MDaemon

SecurityPlus for MDaemon[8] provides antivirus and anti-spam features (beyond MDaemon's built-in spam filter features), including Recurrent Pattern Detection (RPD) technology and Zero Hour Virus Outbreak Protection.[9]

Outlook Connector for MDaemon

Outlook Connector for MDaemon[8] provides groupware sharing and collaboration capabilities for Microsoft Outlook users. Outlook Connector includes folder sharing with custom access levels, groupware collaboration support, an out-of-office autoresponder, and multilingual support.[10]

ActiveSync for MDaemon

ActiveSync for MDaemon includes support for the latest version of [11]

Version History

Version Release date Major new features[12]
MDaemon 14.5 October 21, 2014
  • DMARC support
  • Activesync Server with server-side search
  • Support for RFC 3463 (Enhanced Mail System Status Codes)
  • Support for RFC 3464 (An Extensible Message Format for Delivery Status Notifications) and RFC 6522 (The Multipart/Report Media Type for the Reporting of Mail System Administrative Messages)
  • Support for RFC 3848 (SMTP and LMTP Transmission Type Registration)
  • SPF implementation updated to latest specification (RFC 7208)
  • TLS 1.1 & 1.2 Support (Support for additional ciphers for "Perfect Forward Secrecy" or PFS)
MDaemon 14.0 March 25, 2014
  • WorldClient (web-based email): new "WorldClient" theme, "Standard" theme removed
  • shared folder support in ActiveSync server
MDaemon 13.6 October 15, 2013
  • Increased Default Encryption Key Length
  • WorldClient (Web-Based Email) - New "Folder" column for the All Contacts view, "No Subject" warning message, Easily copy / move message to the last folder used, New "Favorites" folder in LookOut theme, New keyboard shortcut options in LookOut theme, and Additional enhancements.
  • ActiveSync - Public Folder Access, ActiveSync Sessions tab in MDaemon's main interface, and Remote Device Soft Wipe.
  • Remote Admin (WebAdmin) - Colorized Session Logs and HTML Editor for Domain Signatures / Exclaimers.
MDaemon 13.5 June 18, 2013
  • Account Templates with Automatically-Configured Settings, Colorized Session Logs, Password Settings and Restrictions, Performance Counters, Public Folder Manager, and Attachment Linking - Outbound Attachments
  • ActiveSync - 2.5, 12.1, 14.0, and 14.1 Protocols, Password Expiration, Password Complexity Level, Maximum Attachment Size, Require Alpha-Numeric Password, Require Device Encryption, Disable Camera, and Several Other Policy Options, Device Whitelists and Blacklists, Forgetting Inactive Devices, and Microsoft Outlook 2013 and Windows 8 Mail Support
  • Closed Instant Messaging (ComAgent) - Support for Multi-Languages.
MDaemon 13 September 4, 2012
  • Detect and Stop Hijacked Accounts, IMAP "Compress" and "Binary", Simple Message Ticketing System, and Traffic Charts.
  • ActiveSync - Over-The-Air (OTA) Synchronization of Individual Email, Calendar, Contacts, and Tasks on iPhone, Android, Windows Phone, and BlackBerry (OS 10) Smartphones with Autodiscover Service.
  • One Simple Management Console for Mobile IT Policies for Domain Level Device Policy Management, Customizable Device IT Policies, Password Assignments / Resets, and Remote Device Wiping.
  • WorldClient (Web-Based Email Client) - Custom Branding, Document Folders, and Drag and Drop Attachments.
MDaemon 12.5 October 18, 2011 Per Account Whitelists, and Recipient Blacklists.
MDaemon 12 February 15, 2011
  • BlackBerry - Built-In Support for BlackBerry (OS 7 and Under), Via BlackBerry Enterprise Server (BES), Including: Advanced Email, Wireless Synchronization, Up-To-Date Calendaring, Integrated Contacts, Device IT Policy Management and Security, BlackBerry Balance Technology, and Remote File Access.
  • One Simple Management Console to Manage BlackBerry Device Functionality Including: Domain Level Device Policy Management, Customizable Device IT Policies, Password Assignments / Resets, and Remote Device Wiping.
  • BlackBerry - Supports BlackBerry (OS 7 and Under) Push Email, Inbox Mapping, Calendar, and Contact Synchronization for BlackBerry Devices Via BlackBerry Internet Service (BIS) Data Plan.
  • WorldClient (Web-Based Email Client) - Integrated Closed Instant Messaging (ComAgent) with Chat, Buddy List, Logging, and Group Chat.
MDaemon 11 March 10, 2010 Attachment Linking - Attachment Storage and Retrieval on Demand and Quick Mobile Message Downloads, DomainKeys Identified Mail (DKIM) - Author Domain Signing Practices (ADSP), and Email Notification of Attempted Violations of Account Restrictions.
MDaemon 10 August 26, 2008 Domain Sharing (Split Domain to Multiple Servers), Unlimited Mail Delivery Schedules, Vouch-By-Reference (VBR) Message Certification, and WorldClient (Web-Based Email Client) - Handicap Accessible Reader and User Configurable Time Zone.
MDaemon 9.6 June 12, 2007 Account Grouping, and Account Validation Using Minger Server.
MDaemon 9.5 October 24, 2006 Backscatter Protection, and Custom Mail Queuing.
MDaemon 9 April 4, 2006 Active Directory Monitoring, AntiSpam Runs as Separate Process (MDSpamD), Calendar with Free / Busy Server, Mailing Lists - Active Directory, Sender Policy Framework (SPF) and Sender ID, Web-Based Remote Administration (WebAdmin), Wireless Access to Email, Contacts, Calendar, and Tasks Using IMAP and SyncML5, WorldClient (Web-Based Email Client) - Unicode UTF-8 Output, and Zero Hour Outbreak Protection.
MDaemon 8.1 July 26, 2005 Greylisting.
MDaemon 8 April 12, 2005 Custom Plug-In Support, DomainKeys, DomainKeys Identified Mail (DKIM) - Signing and Verification, HashCash, Holding Queue for Errors, Inline Virus Scanning Kaspersky AntiVirus Engine, Multiple LDAP Configurations for Gateway Domains, Queue Management System, SpamAssassin 3, and WorldClient (Web-Based Email Client) - Notes and Tasks.
MDaemon 7.1 May 11, 2004 Detect Spoofed Email Addresses.
MDaemon 7 March 2, 2004 Account / Domain -Based Signature Files, Automatic Update Service, Mailing Lists - ODBC, Spam Honeypots, Strong Passwords, Spam Filter - Blacklists, Spam Filter - Whitelists, and WorldClient (Web-Based Email Client) - Mobile Theme.
MDaemon 6.8 June 10, 2003 LDAP Recipient Verification, and SSL / TLS / StartTLS.
MDaemon 6.7 February 10, 2003 Bandwidth Throttling, Groupware Functionality (Including: Folders for Calendar, Contacts, Tasks, Notes and Documents with Public / Private Folder Sharing), Outlook Support (Including: Email, Calendar, Contacts, Tasks, Notes and Documents with Public / Private Folder Sharing), and Meeting Requests with Automatic Updates of Attendees.
MDaemon 6.5 October 29, 2002 Tarpitting, and WorldClient (Web-Based Email Client) - Secure Socket Layer (SSL) Support.
MDaemon 6 July 1, 2002 Automatic IP Screening, Dynamic DoS, Dictionary, and Brute Force Attack Detection and Prevention (Dynamic Screening), Host Screening, Shared Calendaring, and Scheduling.
MDaemon 5 September 25, 2001 Attachment Compression, Attachment Restriction, Closed Instant Messenger (ComAgent)(Chat, Group Chat, Buddy List, File Sharing, New Mail Notification, and Logging), and Contact Synchronization.
MDaemon 4 April 10, 2001 Automated Old Mail and Inactive Account Deletion (Pruning), Automatic Gateway Creation When Used in a Backup MX Role, DomainPOP, Folder Sharing, IMAP Mail Filtering Rules, LDAP Account Database Backend Support, On-Demand Mail Relay (ODMR), Reverse Lookup, Server-Hosted Public and Shared IMAP Folders with Access Control Lists (ACL), and SMTP Authentication.
MDaemon 3 February 29, 2000 Account Import / Export, Content Filtering, DNS Blacklists, IMAP, Low Disk Space Alert Notifications, Multiple Mail Domains, ODBC Account Database Backend Support, Spam Filter with Bayesian Learning and Heuristic Message Scoring, and Recurrent Pattern Detection (RPD).
MDaemon 2 July 31, 1996 Account Restrictions. Anti-Relaying, Trusted IPs and Hosts, and WorldClient (Web-Based Email Client) - Access to Email, Contacts, and Calendar.
MDaemon 1 not publicly released Account Quotas, Sender Blacklists, Aliases with Wildcards, Automatic Mail Forwarding, Configurable Mail Port, Protocol Timeout, and Session Inactivity Values, Configurable Storage Locations, Easy to Backup and Restore Via Flat File Structure, IP Screening and Address Suppression, IP Shielding, Mailing Lists (Digests, Subscribe/Unsubscribe Support, Moderator Options, Post-Only / Read-Only Access, and Archiving), Out-Of-Office Auto-Responder, Real-Time Session Activity Logging, Simplified (On / Off) Message Archiving to Public Folders or to Designated Email, Address(es), SMTP Greeting "Site Policy", SMTP, POP3, MuliPOP, and Delivery of Mail Directly to Recipients' Mail Server or to Your Smart Host.

Language Support

MDaemon is available in many different languages.[1]

MDaemon Messaging Server

Available in the following 9 languages:[13]

English, Spanish, French, German, Italian, Japanese, Portuguese, Russian, Chinese

WorldClient (Web-Based Email Client)

Available in the following 27 languages:[14]

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Czech / Cesky, Indonesian, Greek, French Canadian, Danish, Finnish, Norwegian / Bokmal, Swedish, Korean, Hungarian, Dutch / Netherlands, Turkish, Taiwanese, Polish, Hrvatski / Croatian, Serbian, Slovenian, Vietnamese

Remote Administration (WebAdmin)

Available in the following 11 languages:[15]

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Dutch / Netherlands, Swedish

Closed Instant Messaging (ComAgent)

Available in the following 13 languages:[16]

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Dutch / Netherlands, Swedish, Polish, Thai

SecurityPlus for MDaemon

Available in the following 9 languages:[17]

English, Spanish, French, German, Italian, Japanese, Portuguese, Russian, Chinese

Outlook Connector for MDaemon

Available in the following 16 languages:[18]

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Danish, Finnish, Norwegian-Bokmal, Swedish, Dutch, Hungarian, Polish

See also


  1. ^ a b c "MDaemon Data Sheet". Alt-N Technologies. 2013-06-04. Retrieved 2013-09-04. 
  2. ^ "Alt-N Technologies Company Fact Sheet". Alt-N Technologies. 2013-01-03. Retrieved 2013-09-04. 
  3. ^ Wyro, Brad (2012-07-23). "Learn More about the MDaemon File Structure". Spiceworks. Retrieved 2013-09-04. 
  4. ^ Williams, Rayven (October 2007). "He’s Got Mail". Dallas CEO Magazine. Retrieved 2013-09-06. 
  5. ^ "WorldClient (MDaemon's Web-Based Email Client)". Alt-N Technologies. Retrieved 2013-09-04. 
  6. ^ "MDaemon Messaging Server - Remote Admin (WebAdmin)". Alt-N Technologies. Retrieved 2013-09-04. 
  7. ^ "MDaemon Messaging Server - Instant Messenger". Alt-N Technologies. Retrieved 2013-09-04. 
  8. ^ a b "SecurityPlus Data Sheet". Alt-N Technologies. 2013-07-08. Retrieved 2013-09-04. 
  9. ^ "SecurityPlus for MDaemon". Alt-N Technologies. Retrieved 2013-09-04. 
  10. ^ "Outlook Connector for MDaemon". Alt-N Technologies. Retrieved 2013-09-04. 
  11. ^ "ActiveSync for MDaemon". Alt-N Technologies. Retrieved 2013-09-04. 
  12. ^ "MDaemon Messaging Server - Features by Release". Alt-N Technologies. Retrieved 2013-09-06. 
  13. ^ "MDaemon Messaging Server - Tech Specs". Alt-N Technologies. Retrieved 2013-09-04. 
  14. ^ "MDaemon Messaging Server - Tech Specs". Alt-N Technologies. Retrieved 2013-09-04. 
  15. ^ "MDaemon Messaging Server - Tech Specs". Alt-N Technologies. Retrieved 2013-09-04. 
  16. ^ "MDaemon Messaging Server - Tech Specs". Alt-N Technologies. Retrieved 2013-09-04. 
  17. ^ "SecurityPlus for MDaemon - Tech Specs". Alt-N Technologies. Retrieved 2013-09-04. 
  18. ^ "Outlook Connector for MDaemon - Tech Specs". Alt-N Technologies. Retrieved 2013-09-04. 

Further reading

  • Tom Yager (April 24, 2000) (Mail server software) MDaemon Pro 3.0 proves speedy, but not scalable. Solid, low-price mail server adds IMAP4 support and spam blocking. InfoWorld, p. 66; online version in Computerworld Australia
  • Tom Yager (March 11, 2002) (E-mail Server Software) Affordable, capable e-mail. MDaemon Pro 5.04 adds LDAP to its rich roster of capabilities, InfoWorld pp. 36 & 38; online version
  • ServerWatch Staff (June 15, 2006) Latest MDaemon Release Keeps Pace With Times, ServerWatch
  • Arvel Hathcock (February 2008) Ask The Expert: A layered approach to trusted messaging, Financial Services Technology
  • Joel Snyder (March 9, 2009) ALT-N's MDaemon offers easiest management, Network World
  • Stephanie Jordan (September 27, 2012) Hijacked Email Account Detection, Messaging News
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