Errors in message header

From: john espiro <john_espiro_at_yahoo.com>
Date: Fri, 6 Sep 2013 12:02:36 -0700 (PDT)

I haven't been able to find a good answer on google...
 
So I am hoping you guys can help me out.
 
I am seeing weird things in the headers of my mail...  they are below:
 
1) Why does it tell me unprotected key?
 
/etc/opendkim# ls -la
drwx--S---   2 opendkim opendkim  4096 Sep  3 12:33 db
-rw-------   1 opendkim opendkim    43 Sep  1 15:33 dkim-internal-hosts
-rw-------   1 opendkim opendkim   161 Sep  3 13:13 keyTable
-rw-------   1 opendkim opendkim   185 Sep  1 15:34 signingTable
-rw-------   1 opendkim opendkim    81 Sep  1 15:35 trusted-hosts

# ls -la db
drwx--S--- 2 opendkim opendkim 4096 Sep  3 12:33 .
drwxr-sr-x 3 opendkim opendkim 4096 Sep  3 13:13 ..
-rw------- 1 opendkim opendkim  888 Sep  1 15:36 mail.key.pem


2.) Why is dkim-atps=neutral and not pass?
 
Authentication-Results: mydomain.com; dkim=pass
 reason="1024-bit key; unprotected key"
 header.d=mydomain.com header.i=_at_mydomain.com header.b=gOCtremi;
 dkim-adsp=pass; dkim-atps=neutral
 
3.) And finally, why does it tell me dkim=neutral (bad format)
Authentication-Results: mx.google.com; spf=pass (google.com: domain of XXX designates XXXIPADDRESSXXX as permitted sender) smtp.mail=me_at_mydomain.com; dkim=neutral (bad format) header.i=_at_mydomain.com
Received on Fri Sep 06 2013 - 19:02:51 PST