i need to send a url of my site in body so that user can click on that to join my site. but it is coming like this in mail client: Link goes here http://www.example.com/foo.php?this=a url after & is not coming then whole process of joining failed. how can i pass url like these in mailto body http://www.example.com/foo.php?this=a&join=abc&user454 <a href="mailto:[email protected]?body=Link goes here http://www.example.com/foo.php?this=a&amp;really=long&amp;url=with&amp;lots=and&amp;lots=and&amp;lots=of&prameters=on_it ">Link text goes here</a> i have searched alot but did't got right answer thanks