SoundCloud - Only receive messages from people that your follow
In this FAQ you will learn how to configure the message settings of SoundCloud. By default anyone on SoundCloud can send you a message, which can be quite annoying. So here's how to restrict this feature to only the people that your follow:
Connect to your SoundCloud account.
Click on the cog icon > Settings.
Click on the Privacy tab.
In the Messaging Settings section, select Only people that I follow