It definitely is. For example I get a lot of emails sent to me+ni@mydomian for "Not Important" which I use kind of like an RSS reader. They never appear in my i

It definitely is. For example I get a lot of emails sent to me+ni@mydomian for "Not Important" which I use kind of like an RSS reader. They never appear in my inbox and I catch up on them every once and a while. You can do this for a wide variety of things and combine it with filters to get a lot of extra value from your email.