In debian11 with spamasassin-4.x root@amavis-4:~# su - amavis $ perl -Mv5.14 -MFile::Spec -e 'say File::Spec->tmpdir' /tmpIn debian11 with spamassassin-3.4.x root@amavis5:~# su amavis $ perl -Mv5.14 -MFile::Spec -e 'say File::Spec->tmpdir'/tmp
Nevermind, Debian's amavis actually defines TMPDIR as /var/lib/amavis/tmp.