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MDaemon 26.0.2 – Windows Email Server

In today’s business world, secure and reliable communication is the foundation of success. For small and medium-sized businesses looking for an alternative to complex maintenance systems, MDaemon establishes itself as one of the most stable and functional email servers for Windows environment.

MDaemon is a complete software package that allows organizations to build and manage their own email server. Unlike other solutions that require multiple additional licenses and configurations, MDaemon is designed to be all-in-one – easy to install and even easier to maintain.

Pro Tips

Enhance Email Security with SMTP Authentication and IP Shield

  1. In MDaemon, navigate to the Security settings.
  2. Enable Require SMTP Authentication to ensure only validated users can send mail.
  3. Configure the IP Shield to associate your domains with authorized IP addresses, adding a layer of protection against spoofing.

Explanation: Implementing SMTP authentication and an IP Shield is crucial for preventing unauthorized email relaying and spoofing, significantly bolstering your server’s defense against spam and malicious activity.

Configure Outbound Email Routing via a Smart Host

  1. Open your MDaemon e-Mail Server and go to Setup > Server Settings.
  2. Select Delivery and then choose Send all outbound emails to a smart host under Message Routing.
  3. Enter your smart host server address (e.g., send.smtp.com) and enable Use SMTP Authentication, providing your smart host login credentials.
  4. In Ports under Server Settings, change the SMTP Outbound Port if required by your smart host (e.g., 2525, 587).

Explanation: Routing outbound email through a smart host improves deliverability, especially for businesses, by leveraging a trusted relay service. This helps bypass common issues like IP blacklisting and ensures your emails reach their intended recipients reliably.

Implement Two-Factor Authentication (2FA) for Webmail

  1. Access the MDaemon Remote Administration interface.
  2. Navigate to the Webmail settings and locate the Security or Authentication section.
  3. Enable Two-Factor Authentication and configure the desired methods (e.g., authenticator app, email code).
  4. Inform users about the new requirement and guide them through the setup process for their accounts.

Explanation: Enabling 2FA for Webmail adds a critical layer of security beyond just a password, significantly reducing the risk of unauthorized access to user accounts even if passwords are compromised.

Download MDaemon

File size: 275MB

OS support: Windows

Windows

Download MDaemon 26.0.2 for Windows – Trial Free Server

Required Specs

Minimum

  • OS: Microsoft Windows 7, 8, 10, 11; Windows Server 2012, 2016, 2019, 2022, 2025
  • Processor: 1 GHz processor
  • RAM: 2 GB
  • Disk Space: 1 GB of free space (additional space for mail storage)

Recommended

  • Processor: Dual core CPU 2.4 GHz or higher
  • RAM: 4 GB RAM

Notable Features

  • Wide Protocol Support: MDaemon ensures flawless performance with all industry standards, including IMAP and POP3 for easy mail access, DomainPOP for collecting and distributing external mail, and ODBC support for database integration.
  • Robust Security Measures: Known for uncompromising protection, MDaemon includes a multi-layered antispam module, built-in antivirus for real-time scanning, and SSL/TLS support to encrypt all client-server communication.
  • Flexible Administration: Optimized for both local and remote operation, MDaemon allows system administrators to configure settings from anywhere via a secure interface. It also supports managing multiple domains within a single installation.
  • Webmail Client: Users can access their mail through a browser-based webmail client, providing convenient access for remote work and ensuring accessibility from any device with an internet connection.
  • Intuitive Interface: The software features an easy-to-use interface with an intuitive menu, enabling even users with less technical experience to manage the basic functions of the email server effectively.
  • Low Resource Requirements: MDaemon is designed to run stably even on more modest Windows machines, making it a cost-effective solution that doesn’t demand expensive hardware or extensive technical resources.
  • Scalability for Businesses: The email server is built to grow with your business, supporting anywhere from a few to several hundred users without experiencing a loss in performance or requiring complex upgrades.

Software Specifications

Software NameMDaemon
Version26.0.2
LicensePaid (Shareware)
File Size275MB
OS SupportWindows
LanguageEnglish, Chinese, French, German, Italian, Japanese, Portuguese, Russian, Spanish
DeveloperMDaemon Technologies
Homepagehttps://www.altn.com/
Changelogurlhttp://files.altn.com/mdaemon/release/relnotes_en.html
Last UpdatedSeptember 9, 2025

Installation Steps

Installation Steps

  1. Click the download button above to get the installer for your operating system.
  2. Locate the downloaded file and double-click to run the installer.
  3. Follow the on-screen installation wizard, accepting the license agreement and choosing your installation directory.
  4. During setup, enter your domain name and create your first administrative email account.
  5. Complete the installation, leaving the option checked to start MDaemon immediately.

Compatibility: Compatible with Windows 7 and later versions, including Windows Server editions.

Problem Solving

  • Issue: Installation fails → Solution: Ensure you have administrative privileges and temporarily disable antivirus software if it interferes.
  • Issue: Email not sending/receiving → Solution: Verify your network configuration, firewall settings, and ensure DNS records (MX, SPF) are correctly configured for your domain.

FAQ

Is MDaemon a free email server?

MDaemon is a paid (shareware) email server solution. It typically offers a free trial period for users to evaluate its features before purchasing a license.

What operating systems does MDaemon support?

MDaemon is designed to run on Microsoft Windows environments, including various desktop versions like Windows 7, 8, 10, and 11, as well as server operating systems such as Windows Server 2012, 2016, 2019, 2022, and 2025.

Does MDaemon include security features?

Yes, MDaemon is known for its robust security. It includes a built-in antispam module, integrated antivirus protection, SSL/TLS encryption, and features like Account Hijack Detection and support for email authentication protocols (SPF, DKIM, DMARC) to protect against various threats.


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