Magical Gatherings Software question

Parks, resorts, dining, attractions, vacations

I've downloaded the Magical Gatherings software and put in my groups' email 
addresses.  I click on "send invitation" and it says "invitation sent", but 
none of my group ever gets the email.  What am I doing wrong?  If this is 
too general or too technical for this venue, can someone give me a contact 
number/email for someone at Tech Support at Disney?  Would the regular 407 
number work?

Apparently I'm the only one in the world who ever tried to use this, since
there were no replies on either newsgroup I posted to, but just in case this
is the only bit of Disney trivia you don't know, the software is no longer
being supported.  ;)