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D-Mail Mail Server Software 

D-Mail Server Software ~ Overview

NetWin's 'D-Mail' (Mail Server Software Package) is a complete, easy-to-use,  high performance mail server solution  for  Internet Service Providers and   organizations that demand the most effective  mail server solutions for their business-critical messaging.

With an unmatched array of advanced, user and administrator friendly features, the 'D-Mail' Mail Server is the ideal solution for any organization's Internal and Internet communication requirements. As a bonus, a fully integrated   Email List Server (for creating and managing email mailing lists) is incorporated in the D-Mail Software Package at no extra cost.

The D-Mail Mail Server  outperforms other  mail server software due to it's advanced design features, delivering a server solution that is not only highly scalable but significantly faster and more efficient than it's competitors. This makes D-Mail particularly attractive  to  Internet Service Providers and Organizations pushed to meet the ever increasing demands of providing a secure, highly efficient messaging service for  high volume systems and large customer bases.

The D-Mail Mail Server supports the demand for multimedia-rich email, including messages embedded with sound, graphics, video files, HTML forms, Java applets, and desktop applications.

Naturally, the D-Mail Mail Server supports  Internet mail standards, ensuring the widest possible interoperability.  It communicates with virtually all existing mail systems and mail gateways.

'I just finished migrating <snip> to DMail and CWMail. I am very pleased and my customers are very very pleased... I can only say that I am standing on the shoulder of giants when people compliment the mail service. SO those compliments go to YOU! Thanks for putting such flexibility into your product.'

Joe Wilson  Wicked Mail  

'Can I add, I am so happy with DMail, it's the best buy I ever made. You can't believe how long (perhaps you can) I spent struggling with xxxx and then xxxx and they never really worked for me. I had DMail running like a dream in less than an hour.'

Mal Stewart  His company name  

Key Features of  D-Mail Mail Server:

  • Exceptional Performance - Dmail's efficient design features provide lightning fast interactive response times under all load conditions. This results in quicker connection, retrieval and sending times for users, further lessening the load on the server, which in turn contributes to faster performance. If time is important to you and your mail users, D-Mail is the obvious answer.
  • Increased Efficiency - Due to it's dedicated internal multi-threading, the D-Mail Mail Server Software requires significantly less load and memory usage per server connection. This provides better performance and more efficient use of resources by the server, a particularly valuable feature when the server is under heavy load or where resources are limited.
  • Ease Of Administration - The D-Mail Mail Server is designed to make  installation and  administration of the server as smooth as possible. The transition to D-Mail will cause a minimum of upset to users and administrators alike. Any settling in period is brief, and soon all concerned will wonder how they ever managed without D-Mail.
  • Virtually Unlimited Mail Server Scalability - The D-Mail Server is   highly scalable, this ensures that D-Mail will not only meet your current needs, but will expand with your business without the need for clumsy upgrades or complete replacement. This long-term continuity of operation throughout the life of your business will be much appreciated by both your mail users and system administrators.
  • Comprehensive Server Documentation and Support: The D-Mail Mail Server Manual  The D-Mail Server is commercially developed and Supported to the highest degree. The NetWin Software Support Service is second to none, it includes: direct contact with the software developers, on-line and downloadable Server Manuals, and an online FAQ's list.
  • Unlimited Integrated Email List Server - The D-Mail Mail Server includes an integrated email list server for the creation and management of  mailing lists of unlimited size - with ease! This feature alone makes D-Mail the mail server of choice for many.

Additional features:

Due to it's advanced design, D-Mail is packed with features that benefit the user, administrator and purchaser alike. The following list is by no means complete, it does however outline the main areas the D-Mail design team have concentrated their efforts upon.


D-Mail is one of the most highly compatible systems available. In answer to the inevitable, 'Will it work with ---?' question, D-Mail gives a resounding 'YES!' virtually every time.

  • The Mail Server Supports Dial Up or Continuous Internet Connections.
  • The D-Mail Mail Server conforms to all appropriate Internet mail standards, ensuring the widest possible interoperability, including SMTP, POP3, IMAP, LDAP Auth,.....)
  • The D-Mail Server provides LDAP authentication (with a fully working  sample module included).
  • The D-Mail Mail Server provides external authentication modules (again, a fully working sample module is included).
  • D-Mail Supports ESMTP - Extended SMTP, including ETRN request.
  • Cross Platform Support - The D-Mail Mail Server is supported on a wide range of   operating systems including Windows NT,95,98, UNIX, Solaris, Linux, BSDI, MacOSX, HP-UX, Digital UNIX etc......
  • The DMail Mail Server supports server farming and NFS.


D-Mail has been developed by people with experience in the use and installation of such software. Always mindful of the 'workability' of the product, they have designed D-Mail to be 'The Email Server they would choose to use.'

  • The Mail Server is  a snap to  install and setup using Dmsetup wizard.


All the 'bells and whistles' in the world are no good to you if you cannot make them work! D-Mail works well, and keeps on working. The team at NetWin appreciate the fact that ongoing administration is an important issue. They have designed D-Mail with the administrator in mind - your technical staff will really appreciate this attention to their needs.

  • The  Mail server is easy to  administer using Tellsmtp / Tellpop command line utilities or Web based Administration.
  • User statistics for charging are automatically  generated by the mail server software.
  • The Mail Server is highly configurable without requiring recompilation or restart.
  • DWatch provides built in  email server monitoring, to ensure 24*7 service.
  • D-Mail will run on even the most modest hardware. We have customers with 300k+ users running on one NT box!


Security is such an important issue to Service Providers and users alike, D-Mail excels in this crucial area with it's much admired 'Fort Knox' approach to security issues.

  • High Mail Server Security -  Mail Server Access can be controlled by; username, password, IP name, IP address, wildcards, or external authentication routine.
  • Another feature is the easy to add SHH tunnelling for clients connecting from a known origin to provide a secure login.


Spamming is not only a waste of valuable operating resources, it is an unwelcome invasion of email that your users could well do without. D-Mail contains a host of anti-spamming measures - a feature much appreciated by all users!

  • Powerful email 'spam' detection and  filtering with additional IP-level relay restriction protect the server from abuse from 'Spammers'.
  • Numerous anti-relay features are incorporated into D-Mail like, 'SMTP AUTH' and 'POP before SMTP' which allow your administrators to keep the system off open relay blacklists such as 'ORBS'. All this is done in the background without ever compromising the ease of mailing for the customer.


Our clients demand software they can count on - D-Mail is our answer to issues of unreliability found in so many other software products. Through meticulous attention to detail, the D-Mail design team have set a new benchmark in reliability.

  • D-Mail's reliability is every bit as good as that of our DNews server, which is renowned for it's 'don't touch for 6 months' reliability.


Our clients, and our client's clients each have their own expectations of their email service. D-Mail, with it's highly flexible format, can be tailored to meet the needs of all it's users.

  • D-Mail provides true Multiple and Virtual Domains on a single server.
  • The Server provides Mail Forwarding and Aliases with all the flexibility of Sendmail, but via simple, easy to use configuration.
  • Mail Server provides Broadcast facility for efficiently sending messages to all mail server users.
  • Mail Server Add Ons - Full featured,  instant  web interfaces to give all users the convenience of  accessing their email  from any computer anywhere. User Personalized Active Spam Control. Web based management of email for administrators, domain administrators and users.


The DMail Mail Server comes with 12 months complimentary email support and upgrades. Purchasers are provided with virtually unrestricted access to our support team.

  • When clients contact the NetWin Support Team they are talking to the very people that designed their software. This not only means our support staff know their product inside-out, it means that they have a vested interest in seeing that all clients are able to utilise every feature of their software. We have found that our 'programmers on-line' approach not only results in faster enquiry resolution, it means that any operating difficulties that arise are bought to the attention of the programmer. The programmer can then modify the software to ensure that such situations do not reoccur.

Free Trial:

To try the D-Mail Server, simply download a free, full featured, time limited, evaluation copy, or order the evaluation CD. When you are satisfied that it is the best mail server solution for your organization     simply register the software so that you can carry on using it. Download It

Mail Server Add Ons: Extending Your Mail Solution and Services.

Netauth - Web Email Management System It's easy to give your  users Web access to email from  anywhere! Or set up a web based "HotMail" type mail service.

D-MailWeb or CW-Mail are server side applications that can be added to your mail server to provide an instant web interface  in order to provide all email users web access to their mail from any computer - anywhere. Or provide  a full featured web  based mail service.


Netauth - Web Email Management System A Web Based Email Management system for Email users, domain administrators and system administrators.   FREE with your unlimited DMail Mail Server License.

NetAuth allows:

  • Mail users to create (if desired) and manage their own email accounts.
  • Virtual domain administrators to manage accounts in their domain.
  • System administrators to manage all accounts and create domain administrators.

Internet Watchdog - Monitor your Internet Services Monitor all your business-critical Internet services over the internet or any TCPIP network.

Monitor a virtually unlimited number of internet services with Internet WatchDog including Web, FTP, News , Mail etc.....