[D-Coder]

Panix.com has a similar feature. If you are [e-mail], you can use <anytag>@dcoder.users.panix.com, which avoids the problem of places that don't understand "+". I usually use [e-mail] for each company I deal with. (Note, I am not actually "dcoder".)

It's a little longer to read over the phone, but I've never had trouble with it. And I've been able to tell a couple of companies that their email databases had been hacked or stolen.

Disclaimer: just a satisfied customer.