Thus said Jean Abou Samra on Mon, 23 Oct 2023 18:28:12 +0200: > Luckily, we have technologies (SPF and DKIM) that can guarantee an > email is sent from the owner of the sender address, and if an email > doesn't pass SPF/DKIM, it's very likely to be blocked by your spam > filter.
Unfortunately SPF and DKIM are terrible hacks and wholly unnecessary. Andy
