What version BB software do you have? BES shouldn't make a difference...unless you want to send it via your corporate email and not personal. If it's personal, I can tell you it works on the Pearl--I do it all the time. But that might be carrier-specific too.
Sprint 8130 (Amethyst)
Previous BBs owned: Nextel 7510, 7520, 7100i, Sprint 8703e, AT&T 8300