uhuru on Nostr: if they can't be contacted in an alternate address, why not remove email address from ...

if they can't be contacted in an alternate address, why not remove email address from wherever they were getting emails from?
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moreover,
noone should be blocked because of non-delivery to a single address...

and who reports those to abuseipdb anyway? false-positive ratio for reporting every single not-found address, must be >50%.
reporting recurring attempts to multiple email addresses like admin@ it@ support@ info@ etc, is usually more correct.

2c