Here is a simple way to Pre-Populate an Outlook e-mail’s Send, Subject and Body all in one link!
<a href="mailto:matthew@getsharepoint.com?subject=I enjoyed your Blog Post!&body= I enjoyed your Blog Post @ http://matthewSPblog.com>Click Here to Test</a>
Click Here to Test
If you are not using HTML and simple inserting the link you can replace the whitespace with %20. Here is an example…
mailto:matthew@getsharepoint.com?subject=I%20enjoyed%20your%20Tweet!&body=I%20enjoyed%20your%20Blog%20Post!%20-%20don't%20forget%20to%20let%20me%20know%20if%20you%20tried%20it%20by%20sending%20this%20email%20to%20me%20with%20your%20comment!%20
http://alturl.com/cfin
If you want to then shorten this URL you can use something like http://www.shorturl.com that will condence your URL.
ShortURL is a free URL forwarding service (a.k.a URL redirection) allowing anyone to take any existing URL and shorten it. Just type/paste a URL in the box above to shorten it and the short URL will forward to the long one, and it never expires -- lasts forever.