How to remove the underline from a link
To remove the underline that is typically added by default to a link, you can use the "text-decoration" style definition and set it to "none". This is done by manually inserting the inline style here shown in green in the link (or links) code of your HTML message:
<a style="text-decoration: none;" href="http://%5btrack%5d/http://www.myWebSite.com/" target=_blank>This is my link</a>