> The sub-domain is essential for catch-all, otherwise you get a crazy amount of spam. Seconding this. I get a larger portion of targeted spam (addresses that

> The sub-domain is essential for catch-all, otherwise you get a crazy amount of spam. Seconding this. I get a larger portion of targeted spam (addresses that I gave out in the past) with a sub-domain catch-all. At a normal second-level domain catch-all, I get more random spam addressed to common addresses like accounts@, billing@, and sales@.