SAKIII-2487 changing the messagebox for email, which fixes the duplicate messages in the sent box.
SAKIII-2487 changing the messagebox for email, which fixes the duplicate messages in the sent box.

ets-berkeley-edu/3akai-ux,jonmhays/3akai-ux,jonmhays/3akai-ux,jonmhays/3akai-ux,ets-berkeley-edu/3akai-ux,rhollow/MYB-1615,ets-berkeley-edu/3akai-ux,rhollow/MYB-1615,rhollow/MYB-1615