No outside comms just means that you won't hear from a particular source outside of a specific channel of communication, simple way of limiting impersonation and false info, basically saying 'if it isn't through this channel then it isn't from me'...
No outside comms just means that you won't hear from a particular source outside of a specific channel of communication, simple way of limiting impersonation and false info, basically saying 'if it isn't through this channel then it isn't from me'...