I was concerned about this too when I set up OurDoings to accept photos by email. I don't let users pick their own address to send to; I generate a random one

I was concerned about this too when I set up OurDoings to accept photos by email. I don't let users pick their own address to send to; I generate a random one for them. And yes, emailing to a frame is cool, but I'm biased because I'm doing it.