Usually in this kind of game 1 person is the coordinator, which means he/she decides who to vote in the daily round and everyone else follow the indication.
The coordinator also can ask everyone to reveal their role in private. Therefore everyone can bluff about their role.
A) IT IS FORBIDDEN TO POST THE ORIGINAL MAIL I WILL SEND YOU WITH THE REVEAL OF THE CHARACTERS.
B) IT IS ALSO FORBIDDEN TO REVEAL THE ORIGINAL MAIL BY PRIVATE MAILS OR IN ANY SORT OF CONVERSATION.