Priority support is available during normal business hours, Monday through Friday, 7:00 am - 5:30 pm U.S. Central Standard Time (excluding weekends and U.S. holidays) by calling:
U.S. Toll Free: 866-601-ALTN (2586)
*price subject to change without notice.
Support for the following products can be obtained by using the Product Support Request Form:
Note: Support has been discontinued for MDaemon email servers running on Windows 95, 98, ME, NT, or 2000.
Get the full list of supported versions here