In reply to Joe Offer: Joe, if you believe you may have been blacklisted in error, and can be bothered to pursue it, you can raise the matter at

https://en.wikipedia.org/wiki/Wikipedia:Administrators%27_noticeboard/Incidents

in case this helps - this will get an opinion from an admin and possibly action, I would think...

It would help if you have a record of the chain of actions that led to your situation, and it is demonstrable that something unfair has occurred.

- Tony