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Turning the Tables: How to Make Spammers Reveal Their Own IP Address
(codefoundry.de)
This is a most excellent place for technology news and articles.
Ask the town hall to update the record of your email address to a different one that doesn't get those amounts of spam. When you're sure you're not losing access to any other services you used that address for, go ahead and delete it. To me, that seems like the most effective solution to get rid of it.