Does a SharePoint EventReceiver have to be installed in the GAC, and if so do all dependent assemblies have to as well?

Question

My company ships a product that among other things registers SharePoint EventReceiver on SPLists, monitoring for changes. I\'ve been registering it in the GAC where it runs just

Answer 1

Deployment of SharePoint EventReceiverwould not be possible in Bin. it has to be done in GAC only. I'm not sure what the exact reason is but may be it has to do something with code security.