Link to a URL inside an email

I'm missing something and hope someone can enlighten me.
I have an email that contains a link.  The link destination is Common\ExternalURL.
The URL is "".
When I generate the email the link has the server name and app name pre-pended to it:
What do I do to get the link simply be
Thank you,
- Janet

Try adding an expression with Escape Content = no with the text like "<a href="">My Location</a>"
Works perfectly!
Thanks Gerry.