This one's simple. The name of the relevant class right beneath the name of the sender should work as a link to that class's home page. It could even be one of those annoying links that opens in a new tab when you don't want it to, it'd be much better than nothing, and it wouldn't remove the wrong people who don't use the middle mouse button from the inbox without their consent, though that could also be accomplished with an, "Are you sure you want to leave this page? Your work might not be saved." dialogue.