I use a wildcard domain for this. Every site gets its own address. Each whatever@ gets a mailbox on the left side of the screen, which you can individual hide o

I use a wildcard domain for this. Every site gets its own address. Each whatever@ gets a mailbox on the left side of the screen, which you can individual hide or turn off automatic fetching if you want. Keeps things clean and you don't have to worry about spam so much.