fix postmap script

postmap.sh

@@ -5,11 +5,12 @@
 postconf -h \
 	 postscreen_access_list \
 	 postscreen_dnsbl_reply_map \
+	 smtp_sasl_password_maps \
 	 smtpd_client_restrictions \
 	 smtpd_helo_restrictions \
 	 smtpd_recipient_restrictions \
 	 virtual_alias_maps \
 	 virtual_mailbox_maps \
     | sed "s/,/\n/g" | sed "s/ /\n/g" | sort | uniq \
-    | egrep '(hash|ldap|pcre):' \
-    | xargs postmap
+    | egrep '(hash):' \
+    | xargs -n1 postmap