Because a sender does not need to have an own public/private key-pair, but needs only the public keys of the recipients to send encrypted emails to them. BTW Some links if interested in putting this to the test:
[PRZ's website:] https://philzimmermann.com/EN/findpgp/ [free GPG/PGP websites:] https://www.gnupg.org/ https://www.openpgp.org/ [email encryption software for Thunderbird:] https://www.openpgp.org/software/enigmail/ [download my PGP public key (ponce...@logicintegration.com & ponce...@bcs.org.uk) to check sending encrypted emails to me:] http://keyserver.pgp.com/vkd/GetWelcomeScreen.event HTH Cheers, Chris Poncelet (retired sysprog) On 26/08/2019 14:53, Phil Smith III wrote: > CM Poncelet wrote: > >> Possibly - but probably not "encrypted with ... possibly sender's >> private key" <g> > > > ? Why do you say that? Doing so provides both security and non-repudiation. I > may be misunderstanding your point. > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > . > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
