Dependent Drop Down Lists

Hi, i am trying to create a custom form with dependent dropdown list that will enable interested distributors to apply for my product. now i need that on every submission i am sent a mail with all the details entered in the form. can someone please help me with the same? also i dont have a background in computers and have zero knowledge about coding.

another thing to mention - i created my dropdown menu following the steps given on this forum itself.

your help will be appreciated. thank you!