Postfix and the system.log

Daniel J. Luke dluke at
Wed Jan 25 19:06:52 UTC 2017

On Jan 25, 2017, at 1:39 PM, Johannes Kastl <mail at> wrote:
> I just tried to get the macports postfix running on my macos Sierra
> machine. But I could not get useful logs out of it.

you're looking in the wrong place.

For stuff built on Sierra, logging goes through apple's new logging system.

see the 'log' manpage.

To replicate tail -f /var/log/mail.log you'd do something like:

log stream --style syslog --type log --predicate '(processImagePath contains "postfix")'

Daniel J. Luke

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