Submit button works fine on the desk top using Mailto:(address) ….but on our work iphones it still opens and attaches the email when you submit, however it does not insert the email addresses …any ideas ????

I'm having difficulties getting the submit button to work on an iphone, the form works fine on a desktop computer, but on a mobile phone it opens up the email app, attaches the file but does not pre populate the email address the the correct address.

using a button with at action mouse up submit a form ....