Add script dovecot-service-checksuspended.

dovecot-service-checksuspended

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Version: 0.0.1
+# Copyright (c) 2023:
+#   Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
+# Licensed under the terms of the GNU General Public License version 3.
+#
+# A Dovecot service script to check whether a domain or user has been suspended from being able to use mail.
+
+VIRTUAL_DIR="/etc/virtual"
+U="${USER%%@*}"
+D="${USER#*@}"
+
+[[ -e "$VIRTUAL_DIR/$D/suspended" ]] && {
+  printf "* %s\\r\\n" "NO [ALERT] Domain suspended"
+  exit 0
+}
+
+[[ -e "$VIRTUAL_DIR/$D/$U/suspended" ]] && {
+  printf "* %s\\r\\n" "NO [ALERT] User suspended"
+  exit 0
+}
+
+exec "$@"