Recently, Meta Stack Overflow and the other Stack Exchange meta sites have started to receive an influx of
Sorry, we are no longer accepting questions from this account on Site XYZ, and we keep closing them as duplicates, but they keep coming, rearing their ugly head again and again...
We close all dupes as the exact duplicate of:
A few duplicates:
Sorry, we are no longer accepting questions from this account
I can't ask questions on the regular Stack Overflow. Why?
Cannot post into superuser.com
Is SO have limited question for each account?
What can we do about this?