Under the subject "High five," the message is just several gifs of President Obama trying (and mainly failing) to high five a group of supporters.
Honestly, I don't know if the President knows what a high five is. It just looks like he's trying to squeeze children's hands sensually:
Here's the email in its entirety (gifs included):
From: Obama for America (email@example.com)Please bookmark!
Subject: High five!
To: "XXXXXX XXXXXXXXX" (firstname.lastname@example.org)
Date: Friday, August 24, 2012, 1:05 PM
Thanks for being a part of this campaign. Your support means a lot.
Let's go win this thing.
Obama for America