Updates the properties of a mail message captured by Tugboat.
message - Required The message to update. This can be a single message ID, or an array of message IDs.
read - Optional
Whether to mark the messages as read or not.
socket.emit('tugboat', 'mail', 'update', args, callback);
1026: No Messages Found
Returned if the requested messages do not exist, or the requestor does not have permission to update them.
1027: No Message ID Provided
messageargument was not included in the request.