opendkim: Verify key in dns before starting service

Signed-off-by: Florian Pritz <bluewind@xinu.at>

roles/opendkim/tasks/main.yml

@@ -23,6 +23,11 @@
     creates: /etc/opendkim/private/{{dkim_selector}}.private
     chdir: /etc/opendkim/private
 
+- name: verify key in dns
+  command: opendkim-testkey  -d archlinux.org -s {{dkim_selector}} -k /etc/opendkim/private/{{dkim_selector}}.private -vvv
+  tags:
+    - dkimverify
+
 - name: start and enable opendkim
   service: name=opendkim enabled=yes state=started