I suggest adding more power to domain filtering with wildcards and top level domains
Domain filtering does not work well against determined and organized spam vendors that constantly reword their domains. You need to add wildcards (*.topdeals.org) and top level domain filtering (.xyz). because having to explicitly word every single spamming domain that I receive is tedious, time consuming, and not effective because spammers just change one letter of the domain and re-spam me.
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