this is what I replied to Bob & Board > Date: Sat, 1 May 2021 13:58:07 -0700 (PDT) > From: Noelle <http://dummy.us.eu.org/noelleg> > > I asked Robert, whose (paid) job is spam fighting. He pointed out > that spammers use > > https://en.wikipedia.org/wiki/Directory_harvest_attack > > to find valid email addresses out there. > We will look into remedying the issues on our end. > Noelle