This is a high-performance SMTP POP3 server program with a lot of security features and options that allow you to stop DDoS attacks as well as safely block SPAM and spammer. It is also ideal for laptop PC users who travel a lot and have to use different service providers.

Features: This is for large enterprises and Internet service providers. The application makes a very fast and reliable mail server. Essentially provides a simple, light weight and robust email solution. It can protect server from denial of service attacks and spam activities. Enterprise Mail Server can be installed on several computers while the common message queue and user mailboxes can be kept on separate dedicated PCs. The interface is flexible and you can have installed separately from the SMTP or the POP3 services. All the resources of the mail system, the different servers can be managed from the PC which has the interface installed. The SMTP and the POP3 work as NT services.

A testing mode can be set up that lets you check out the operation of your mail system. The servers accept messages but does not actually deliver them but retain in the queues so that you can check out if things are working alright. The solution is good for laptop users who travel a lot and have to use different ISPs. If mail is not getting delivered, the system will try the SMTP gateways available on the net. One can maintain a list of such servers so that best delivery rates could be maintained. You could even get the mail directly delivered or use these gateway servers if the direct deliveries are not allowed. SPAM control can use a white list and a black list or a real-time (RBL) databases to filter spam. Messages are encrypted and security measures can try and protect denial of service attacks.

Overall: Good mail system solution that has ease of use built-in.