testing email based e-commerce system with .xdp extension - looking for input

[spammailme () gmail com]

Hi -

I have come across a commerce based system which is based on Adobe pdf technology. It appearently encrypts traffic 
(over SMTP) with AES 256. There is a web pdf viewer if you do not have one and you follow the purchase path as if you 
were on a web based app. I ran a proxy on my browser and only captured the first request and subsequent requests did 
not show up?

Also once I was done making my selections, filling out the checkout data, it automatically generated an email with a 
pdf attachment yet the extension is file.xdp. I assume this is encrypted.

Anyone had expirence testing a system such as this? Any suggestions for testing?

Thanks

- Don

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