Activity for Mckay

Hey guys.. I'm not sure if this is a stupid question but how are you guys collecting RSVPs? I really want to just put an email address on my invites and tell my guests to email me the names of all guests attending BUT I feel like this will make those...

This is a serious question, not trying to stir anything up I just honestly want to know when are potlucks acceptable? I am super specific about who's food I will eat for a lot of reasons (cleanliness, thoroughness, general sanitation, etc.) but...