On Fri, Nov 12, 2021 at 07:06:26PM +0100, Hans wrote: > No, it is not /tmp, but /var/tmp. See here from the output:
> [2021-11-11 22:08:39] ../../mbox.c:895: mutt_mktemp returns "/var/tmp/mutt- > protheus2-1000-47311-14301765248385272183". > [2021-11-11 22:08:39] Temporärdatei konnte nicht erzeugt werden! > [2021-11-11 22:08:44] Sortiere Postfach … > [2021-11-11 22:08:44] /var/mail/myusername kann nicht geschrieben werden! > Note, that /var is on its own partition. The rights settings are: > > ls -la / | grep var > drwxr-xr-x 13 root root 4096 2. Sep 18:37 var Just use ls -ld /var > ls -la /var/ | grep tmp > drwxr-xr-x 26 root root 12288 12. Nov 18:53 tmp Use ls -ld /var/tmp > So I do not have the right, to create files in /var/tmp. I wonder, if either > the mutt settings are wrong, or the settings of /var and /var/tmp. These permissions are wrong for /var/tmp. This is your problem. unicorn:~$ ls -ld /var/tmp drwxrwxrwt 6 root root 4096 Nov 12 13:47 /var/tmp To fix it, run this as root: chmod 1777 /var/tmp
