Even the director's wand at an orchestra is a form of remote. But not very advanced in itself.
The word you're looking for is "baton".
With an email address, everybody knows that the local-part (before the @) is arbitrary and the domain corresponds, of course, to a domain. Using the local-part as an organizational identifier, except in flaky ad-hoc setups for small sub organizations(student_club@school.edu style), just isn't done. The domain is always where you look for organizational information.
Actually, the sad part is, everybody doesn't know this crucial piece of information. It's why Nigerian schemes and other e-mail junk-shit works occasionally. Because people are clearly stupid. All that said, what a way to waste a reputation for a place. The concept that you can claim all uses of an abbreviation are absurd. Just to check it out, a quick Google search also turned up Shelter Rock Jewish Center in Nassau, NY and Serangoon Junior College in Singapore.
One man's constant is another man's variable. -- A.J. Perlis