Aspect include configured computer device processor that determine unstructured context data for a user processing an electronic message, the unstructured personal context data one or more of user motion data, user biometric data, environmental conditions of the user and audio speech data. The configured processors further determine a structured metadata value that is descriptive of a context of the user from the unstructured context data and is one or more of an emotional state value, a type of a vocal utterance and a user physical condition. The configured processors also incorporate the determined structured metadata value within a data structure defining the electronic message, and forward the determined structured metadata value to a recipient of the electronic message.