You can be in full control of who can and can't message you on Combyne.
Prevent someone from messaging you
From the chats section:
Go into the "Chats" section on Combyne.
Swipe left on the conversation with the creator you'd like to prevent from chatting with you.
Tap "Revoke Permission."
You can also access it within the chat itself:
Open chat with the creator whose chatting permission you want to revoke.
Tap the 3 dot menu at the top right of the screen.
Select 'Revoke permission'
Keep in mind that permission to chat will be automatically un-revoked if you start a new chat with them.
If you'd like to know how to set your chat preferences so only people you follow can message you click here