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