On Thu, May 06, 2021 at 06:18:18PM +0200, Hans wrote: > Understood. Hmm, just tried mutt again and it can not delete files, telling > me, that "temporary files can not be written" in /var/mail. > > So it looks more that the file and directory permissions are set correctly, > and that means -> I have to take a look at mutt.
The way I have things set up is that a mail delivery agent (MDA) puts things in my home, in ~/mail. It runs under my UID, but with the `mail' group ID, which is allowed to write to /var/mail. It is at this step that my mail is distributed to different boxes, according to rules in my ~/.procmailrc. The MDA is run by the MTA, which, in my case is Exim4. "My" mutt doesn't touch /var/mail at all, but has its playground in my home, specifically ~/mail. Having user's mail in /var/mail is definitely possible (actually this used to be the "traditional" schema), but then, either /var/mail should be writable by "other" or, better, you should be in group `mail'. And don't forget the sticky bit -- otherwise users can play nasty shenanigans on each other. Cheers - t
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