Oh, boy ... the program will be cracked and online with a week or two.

How many downloads a month? How big?

Take a look at Dropbox (paid edition). You can give a unique password for given download that expires in n days, based on email address. Taking care of security is what they do -- in order to stay in business. Look at the "allowed" parameters to make sure you won't overrun them

Hank

>Howdy and grand rising to all,
>
>Wanted to throw this out there: I am contemplating providing installation files and updates to an application via ftp from a central website directory. Has anyone any experience with this and can provide pros and cons to this approach.
>
>I do not have experience with web development enough in order to create the application web based.