webmail:~# ls -al /var/vmail/sieve/
total 24
drwx------ 3 vmail vmail 4096 Out 21 19:38 .
drwx------ 4 vmail vmail 4096 Out 6 21:00 ..
-rw-r--r-- 1 root root 111 Out 21 19:38 .dovecot.sieve
-rwx------ 1 root root 2023 Nov 26 02:43 dovecot.sieve
now:
webmail:~# chown vmail.vmail /var/vmail/sieve/dovecot.sieve
webmail:~# ls -al /var/vmail/sieve/
total 28
drwx------ 3 vmail vmail 4096 Nov 28 17:19 .
drwx------ 4 vmail vmail 4096 Out 6 21:00 ..
-rw-r--r-- 1 root root 111 Out 21 19:38 .dovecot.sieve
-rwx------ 1 vmail vmail 2023 Nov 26 02:43 dovecot.sieve
-rw------- 1 vmail vmail 112 Nov 28 17:19 dovecot.sievec
-r-x------ 1 vmail vmail 1138 Out 6 21:01 dovecot.sieve.sample
drwx------ 20 vmail vmail 4096 Nov 27 08:19 fama.br
I hope this work now rsrs