[Postfix] Proper permissions for sql config files

[Dovecot] Proper permissions for sql config files

data/Dockerfiles/dovecot/docker-entrypoint.sh

@@ -131,6 +131,9 @@ sievec /usr/local/lib/dovecot/sieve/report-spam.sieve
 sievec /usr/local/lib/dovecot/sieve/report-ham.sieve
 
 # Fix permissions
+chown root:root /usr/local/etc/dovecot/sql/*.conf
+chown root:dovecot /usr/local/etc/dovecot/sql/dovecot-dict-sql-sieve* /usr/local/etc/dovecot/sql/dovecot-dict-sql-quota*
+chmod 640 /usr/local/etc/dovecot/sql/*.conf
 chown -R vmail:vmail /var/vmail/sieve
 
 # Fix more than 1 hardlink issue