Updated Message class to throw exception when passed nonexistant email ID
Updated Message class to throw exception when passed nonexistant email ID

dharyk/Fetch,dharyk/Fetch,muxx/Fetch,rbridge/Fetch,kevinsmith/Fetch,RewardGateway/Fetch,benr77/Fetch,tomsommer/Fetch,tomsommer/Fetch,kevinsmith/Fetch,benr77/Fetch,rbridge/Fetch,ApexWire/Fetch,Mika56/Fetch,deemyboy/Fetch,Mika56/Fetch,muxx/Fetch,deemyboy/Fetch,ApexWire/Fetch,RewardGateway/Fetch