make sieve work

rootfs/etc/confd/conf.d/spam.sieve.toml

@@ -1,3 +1,6 @@
 [template]
 src = "spam.sieve.tmpl"
-dest = "/etc/dovecot/sieve-after/spam.sieve"
+dest = "/var/lib/vmail/sieve-after/spam.sieve"
+gid = 1111
+uid = 1111
+mode = "0660"

rootfs/etc/confd/templates/90-sieve.conf.tmpl

@@ -1,4 +1,4 @@
 plugin {
   sieve = file:~/sieve;active=~/.dovecot.sieve
-  sieve_after = /etc/dovecot/sieve-after
+  sieve_after = /var/lib/vmail/sieve-after/
 }