MailEnable for Hosting Providers

MailEnable provides hosting providers or ISPs with a solid email platform that provides all of the required features at a reasonable price. MailEnable generates cost savings by reducing both hardware expenditure and downtime, and most significantly, by providing a flexible licensing model.

Low Total Cost of Ownership (TCO)

The Total Cost of Ownership (TCO) of MailEnable is minimal for a number of reasons:

Minimal Hardware Requirements

The platform is lean and robust, designed to perform as an enterprise level mail solution running on minimal hardware.

See detailed system requirements

Unlimited User Licensing

There is no per-seat licensing on any product. MailEnable allows you to host unlimited domains and users. The license is provided per server on a perpetual basis for a major version. Even as your business grows, the cost of your licensing remains the same.

Learn more about MailEnable licensing

Inclusive Upgrade Protection & Support

When you purchase, MailEnable provides 12 months upgrade protection, so you will be given the latest upgrade automatically if you purchased a full version of MailEnable within this time. You also receive 2 free support tokens to assist you with setting up your mail server
MailEnable Web Administration

Easy Administration

Administration is a necessary cost of operating MailEnable, or any mail server. MailEnable is designed in such a way to reduce the amount of time systems administrators spend managing the mail server. By providing the necessary tools and resources to support systems administrators, the system can be managed efficiently and productively. The mail server or even clusters can be configured and maintained remotely from anywhere with an Internet connection, via remote administration.

A new statistics module provides detailed statistics on all mail services (POP, SMTP, IMAP). Reports can be customised to suit the users reporting requirements.

Learn more about MailEnable administration

Synchronizing Contacts/Tasks/Calendars with Mobile Devices (SyncML Support)

SyncML allows the synchronization of MailEnable calendar, tasks and contacts with mobile devices (phones, PDAs and Outlook). The SyncML server detects changes made to your contacts and prepares the updates for transmission to SyncML clients.

Likewise, changes made on your SyncML device are transacted to the server. MailEnable communicates with mobile devices via WBXML encapsulation, which reduces bandwidth and is supported by leading mobile handset providers.
Synchronization via SyncML
Synchronization via CalDAV

Accessing Server-Side Calendars from Mobile Devices (CalDAV Support)

CalDAV allows leading email clients and mobile devices (including the Apple iPhone), to access MailEnable mailbox calendars. CalDAV is ideal for mobile users who wish to access and update their calendar in real time.

To configure CalDAV, the client is configured with a URL to point to the server calendar. It is also possible to configure CalDAV to access another user's calendar by specifying their calendar address in the URL. MailEnable Synchronization Service is responsible for providing CalDAV connectivity to MailEnable mailboxes over the HTTP protocol.

Accessing Server-Side Contacts from Mobile Devices (CardDAV Support)

CardDAV allows mobile devices to remotely access and manage contacts stored on the MailEnable server. Changes made to the contacts stored on the mobile device are automatically sent to the server; and changes made on the server are received and updated on the mobile device.

CardDAV is ideal for mobile users who wish to access and update their contacts in real time via their mobile device. MailEnable Synchronization Service is responsible for providing CardDAV connectivity to MailEnable mailboxes over the HTTP protocol.
Synchronization via CardDAV


MailEnable can allocate quota limits to users or domains and can automatically inform users who are over quota. Message throughput can be restricted by mailbox or post office to help prevent spamming through the mail server.

Rules can be configured globally to control your mail content, run applications, forward mail and much more. Users can also individually configure filters to perform a wide variety of actions - configure filters to quarantine, move or delete messages based on content.

Centrally, you can delegate admin rights to a post office administrator to manage their own configurations.

Mailbox clean-up agents can be set to operate at set intervals to clean up specific folders within specific post offices or domains.

Scalability & Stability

MailEnable allows clustering and storing configuration data in Microsoft SQL/MySQL. The system only stores server specific configuration data in the registry of the local machine. This effectively means that you can install multiple server nodes and point them at the same storage repository. By load balancing and clustering Front-End Servers (IIS, SMTP/POP, IMAP) the system can effectively scale out very easily.

MailEnable's open and modular architecture and service isolation promotes maximum uptime because the system is comprised of different logical processes. For example, if one service should fail, other services are not necessarily affected.

Learn more about clustering & scalability


MailEnable provides a secure messaging platform to safeguard your system against unauthorized access and unsolicited mail or viruses.

Authentication methods such as CRAM MD5, NTLM, and advanced relay settings control access to your mail server. Accounts can be locked out after too many failed attempts to prevent an unauthorized user from gaining access to the system.

MailEnable employs several methods of blocking or filtering spam, to effectively reduce the amount of junk mail received by the user or the mail system. MailEnable features message and content filtering, greylists/whitelists, allow/block lists, SPF, auto-training Bayesian filtering and several other features for stopping unwanted emails being delivered.

To protect your system from viruses, MailEnable integrates with a variety of Anti-virus solutions in order to scan for viruses on all incoming or outgoing messages.


MailEnable gives you the ability to configure settings by mailbox (user) or by post office (domain/s).

In an email-hosting environment, this allows the flexibility to restrict certain features for users and charge extra for access to additional features.

For example, you can choose which mail services are enabled for each user or mailbox (e.g. POP, SMTP, IMAP, Webmail) and you may charge extra for users who want the added functionality of these services. Similarly, other features such as anti-virus, can be managed in this way.

MailEnable allows you to customize Webmail on a per domain basis. This means you can change the look and feel of Webmail - each company you host may have a different corporate Webmail skin.

Third Party Integration

MailEnable integrates with several third party applications to enhance the mail features that you offer to your customers.

Antivirus products MailEnable allows you to scan all incoming and outgoing mail using a range of third party command line anti-virus scanners.

Learn more about supported third-party anti-virus softwares


Control Panel Software MailEnable integrates with several control panels including Plesk, WebsitePanel and HostingController.

Hosting Related Features




Low hardware requirements      
Service isolation to promote maximum server uptime      
Unlimited users/domains      
POP, IMAP, SMTP support      
Control Panel software integration (Plesk, WebsitePanel, HostingController etc.)      
Anti-spam features      
Quota management      
12 months upgrade protection      
Support tokens (2 tokens, valid for 3 months)      
IMAP, AJAX & Webmail support      
Custom Webmail skins      
Mobile/Device Sync via SyncML (with WBXML)      
Mobile/Device Sync via CalDav/iCalendar hosting      
Cloud Storage (WebDAV Support)      
Anti-virus support (3rd party)      
Global content filtering      
NTLM, SSL      
Advanced anti-spam features (SPF, Bayesian Filtering, URL Blacklisting, Greylisting, Whitelisting)      
CRAM-MD5 authentication      
Remote administration      
Restrict message throughput per user or post office      
Automatic quota notifications      
Automatic message purge      
Mailbox and post office level message filters      
Select Webmail skin per post office      
Restrict service availability per user/post office      
Delegate Web Admin rights to post office administrators      
Store configuration data in Microsoft SQL/MySQL      
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