How to prune existing registrations based on banned e-mail domains?

[puterfixer]

Hello,

I assembled a rather large set of disposable e-mail domains from a couple aggregation lists on github - 7300 pages of 20 domains each.

This is useful for new registrations, but... how can I prune existing users based on this list?

Thanks in advance!
How to prune existing registrations based on banned e-mail domains?

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