[Rspamd] Fix map permissions for www

[Web] Allow to manage global maps in UI (WIP)

data/Dockerfiles/rspamd/docker-entrypoint.sh

@@ -8,6 +8,8 @@ touch /etc/rspamd/rspamd.conf.local \
 
 chmod 755 /var/lib/rspamd
 
+addgroup --system --gid 82 www-access
+
 [[ ! -f /etc/rspamd/override.d/worker-controller-password.inc ]] && echo '# Autogenerated by mailcow' > /etc/rspamd/override.d/worker-controller-password.inc
 
 DOVECOT_V4=
@@ -49,8 +51,10 @@ touch /etc/rspamd/custom/global_mime_from_blacklist.map \
   /etc/rspamd/custom/bad_words_de.map
 
 # www-data (82) group needs to write to these files
-chown -R _rspamd:82 /etc/rspamd/custom
-chmod -R g+w /etc/rspamd/custom
+chown root:root /etc/rspamd/custom/
+chmod 0755 /etc/rspamd/custom/
+chown -R _rspamd:www-access /etc/rspamd/custom/*
+chmod -R 664 /etc/rspamd/custom/*
 
 # Run hooks
 for file in /hooks/*; do