CheckUserExists()

This function will check to see if a mailbox or alias name exists on a particular domain.

Input Parameters

Four strings:

   Administrative username,
   Administrative password,
   Domain name,
   Mailbox/alias name to check

Return Values

If the user exists, the return value of the function will be 1. Otherwise, the function will return 0.

Consult the Result Code Table for a list of result codes and their meaning.