Am Mon, Dec 13, 2021 at 10:34:08PM +0100 schrieb Frank Steinmetzger:

> Using strace, I found out that mail from mailx puts those mail into
> /var/spool/clientmqueue/, one file per mail, but not in a maildir structure.

OK, I found out that this is the usual outgoing queue which needs to be
processed by sendmail, probably through another cronjob or a process that
itself checks that directory periodically.

> In many places I read that system mail—by default—goes into
> /var/spool/mail/<user>, but until now I’ve yet to observe this behavior.

It’s really not easy to find a description of the default setup of olden
days (or I’m simply using the wrong search terms). Because when you search
for something like unix local mail setup, most results are about setting up
an SMTP server. In hindsight—perhaps that is simply the way to go. :-/

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