PM Spam Filter

[Sander]

Yo, I'll tell you what I want, what I really really want,
So tell me what you want, what you really really want,
I'll tell you what I want, what I really really want,
So tell me what you want, what you really really want,
I wanna, I wanna, I wanna, I wanna, I wanna really
really really wanna zigazig ha.

Ehm.. Spice Girls powah!
I really really hate it when I send a PM to a DIFFERENT id, it still says that I may not repeat myself.
Adding a space works, but it's annoying. Dunno if we can change this?