I figure we'll be referencing these instructions quite a bit, so I figured it might be worth giving them their own post.
Once you create the diagnostics file...
1. Navigate to http://solarwinds.leapfile.com
2. Select the Secure Upload option
3. Enter firstname.lastname@example.org as the recipient email address
4. Fill out the form and provide some information about your issue in the subject line.
5. Select the Select Files To Send (Regular Upload) option
6. Browse to the compressed capture file
7. Select the Upload & Send button