Yes, Google deserves to be distrusted and avoided as a whole, but Google Scholar is a genuinely net good for humanity.
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I literally get only 1-3 real spam mails per month without any filter.
Maybe I should start using random words though? Wonder if someone will go bananas seeing their brand's name on my domain.
And a "malicious" actor can get away with pretending to be another company by spoofing the username if they know your domain works like that. I don't think this has reached spammers' repertoire yet, but I wouldn't be surprised.
Eventually I'd like to have a way of generating random email addresses that accept mail on demand, and put everything else in quaraintine automatically.