Use a dot instead of slash as folder separator for sieve rules

root/etc/e-smith/templates/var/lib/sogo/GNUstep/Defaults/.GNUstepDefaults/40sieve

@@ -6,6 +6,7 @@
         SOGoVacationEnabled = YES;
         SOGoForwardEnabled = YES;
         SOGoSieveScriptsEnabled = YES;
+        NGImap4ConnectionStringSeparator = ".";
 HERE
     }
 }