A mailto link with Subject and Body that automatically ads to the email.

<a href="mailto:j@j.com?subject=www.infoom.se%20Nicesite&body=Hi%2C please check out this site. %0D%0A%0D%0ABest regards www.infoom.se %0D%0A%0D%0A www.infoom.se">

Remeber to urlencode the data

Mailto link