On 30 Nov 2018, at 10:24, rachalmers wrote: > This streams in real time, and works ok: > log stream --predicate '(process == "smtpd") || (process == "smtp")' --info > > gratefully accepted from the Apple user community.
If you want ALL Postfix messages, this would do it: log stream --info --predicate 'senderImagePath CONTAINS "postfix"'
