aspNetMX is licensed and priced on a PER SERVER basis only.

Server License
A server license is required for each SERVER, WORKSTATION, PC, or DEVELOPMENT computer where aspNetMX is installed.

aspNetMX is not licensed per Domain, URL, IP address, building, or per processor. Licensing is on a per computer basis only. 

Site License
aspNetMX site license allows you to install aspNetMX on an unlimited number of servers at a single, physlical location. A physical location is typcially defined as a single mailing address.

OEM (Original Equipment Manufacturers) Licenses
If you are interested in bundling aspNetMX in your software product, an OEM license can be purchased. Before you bundle aspNetMX with your product, you must have a valid OEM license from us. For more information on OEM pricing feel free to contact us at info@aspNetMX.com