I've been having a problem for several weeks with a former member of my colony messaging me to no end. The user keeps asking for resources and telling me about his day. I kicked him out of my colony but the messages keep coming. Now I've received a diplomacy request and can't even deny that. It would be nice to block users or change your colony charter code to stop harassment.
This is the general discussion about ape apps, this topics fits better into the my colony section. regarding your question, if you don't care about your commonwealth, you can go offline and online again, which will change your code.
Another thing: you can report him in the general discussion about my colony.
Its me Lego.