On 2020-05-11 15:45, Ed Greshko wrote:
>
> I'm also confused by the need to create headers before feeding anything to 
> procmail since
> cron generate a fully formatted mail message as noted in the -m option.
>

OK, I cleared up my confusion on this one.  I set -m of crond to a script that 
saved what is being sent to
it by cron.  These are the resulting headers.

From: "(Cron Daemon)" <egreshko>
To: egreshko
Subject: Cron <egreshko@f32x> /home/egreshko/bin/tippy
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Auto-Submitted: auto-generated
Precedence: bulk
X-Cron-Env: <XDG_SESSION_ID=10>
X-Cron-Env: <XDG_RUNTIME_DIR=/run/user/1026>
X-Cron-Env: <DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1026/bus>
X-Cron-Env: <XDG_SESSION_TYPE=unspecified>
X-Cron-Env: <XDG_SESSION_CLASS=background>
X-Cron-Env: <LANG=en_US.UTF-8>
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <MAILTO=egreshko>
X-Cron-Env: <HOME=/home/egreshko>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=egreshko>
X-Cron-Env: <USER=egreshko>

It is then the MTA, in my case postfix, which adds the additional headers.

-- 
The key to getting good answers is to ask good questions.
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