You emailed, rather than PMing? Depending how the mod team operates they might not even see it for a while, if they use the mod account itself rather than the mod email account.

Also if you're worried about worldbuilding not specific to your character, it's probably better to check the player questions in the FAQ, or ask your question there yourself. Or check the game's setting/premise page. There's an 8 out of 10 chance that the major worldbuilding details are covered in one of those places.