[api] Add user which is not contact but send message
[api] Add user which is not contact but send message

Chilledheart/seahub,miurahr/seahub,madflow/seahub,madflow/seahub,miurahr/seahub,cloudcopy/seahub,madflow/seahub,cloudcopy/seahub,miurahr/seahub,cloudcopy/seahub,cloudcopy/seahub,madflow/seahub,Chilledheart/seahub,madflow/seahub,Chilledheart/seahub,miurahr/seahub,Chilledheart/seahub,Chilledheart/seahub