here is my website [url removed, login to view]
scroll down you can see "Generate Referral link"
Use will enter his ethereum address and click on generate referral link
based on his ethereum address he should get some referral link like [url removed, login to view]
So when he refer some one using this link and the referred person makes purpose and submits a ICO Purchase just below that
An email should shoot to to eg. sales@[url removed, login to view] with
Subject : referral done
Body : An ICO purchase form submitted using [url removed, login to view] referral link and below is data from that form.