The results are as follows:

DKIM Signature validation: not available
DKIM Author Domain Signing Practices: no DNS record for _adsp._domainkey.********.com

ADSP is not required for DKIM signature validation.

Note: The authentication results are not available as
there was no signature header or the signature could
not be verified
Information about DKIM is available at http://www.elandsys.com/resources/mail/ ... ndkim.html
Information about ADSP is available at http://www.elandsys.com/resources/sendm ... ndkim.html

Information about dkim-milter is available at http://www.elandsys.com/resources/sendmail/dkim.html


Information about DomainKeys is available at http://www.elandsys.com/resources/sendm ... nkeys.html


Original message:
Received: from liberty.********.com (li371-73.members.linode.com [96.126.122.73])
by mx.elandsys.com (8.14.4/8.14.5) with ESMTP id p8ALNUZr012213
for <autorespond+dkim@dk.elandsys.com>; Sat, 10 Sep 2011 14:23:36 -0700 (PDT)
Received: by liberty.********.com (Postfix, from userid 33)
id 4EBF8C7C0; Sat, 10 Sep 2011 17:23:29 -0400 (EDT)
DomainKey-Signature: a=rsa-sha1; s=********; d=********.com; c=simple; q=dns;
b=oLYMc16U1c9ztV4cnilGTdeA6qIARkvfB4fihzWuoVQWkJ2EmPHhkUHlQ1tFZIIm5
oj9zHzKTL7/oy+ohaBLyKDkY2yQ8ZbQMZ+Tm3NahrPgyF2PaLJhanSOU8tFBFwDtJ0w
iNdAVftNSc3Rd6dhbDQmeOQdwSzfnrK4fniOR+0=
X-DKIM: OpenDKIM Filter v2.0.2 liberty.********.com 4EBF8C7C0
To: <autorespond+dkim@dk.elandsys.com>
Subject: dkim test
X-PHP-Originating-Script: 0:func.inc
MIME-Version: 1.0
Date: Sat, 10 Sep 2011 17:23:29 -0400
From: "Steve O'Connor" <steve@********.com>
Message-ID: <9001db7d7036f684df27eb7a7d79e86b@localhost>
X-Sender: steve@********.com
User-Agent: RoundCube Webmail/0.3.1
Content-Transfer-Encoding: 8bit
Content-Type: text/plain;
charset=UTF-8


This is a dkim test.

Your DNS record is currently being published at "securifieds._domainkey.securifieds.com", looking at the output of the email it looks like the record should be at "_adsp._domainkey.securifieds.com ".

$dig securifieds._domainkey.securifieds.com TXT

; <<>> DiG 9.6.0-APPLE-P2 <<>> securifieds._domainkey.securifieds.com TXT
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42443
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;securifieds._domainkey.securifieds.com. IN TXT

;; ANSWER SECTION:
securifieds._domainkey.securifieds.com. 86400 IN TXT "v=DKIM1\; g=*\; k=rsa\; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDQNJgrFoP7Af5pSPbIKkajnT+rz/NWJGZFKG632mXTY0WVIRBPKJOztJTOB92EGsyfJ6tkOvv1n3rH6tmBFHkvWnfJEwE4HI1SGXs70Pt5iCfstx0hOZgGXcPVgbhIaU3ITT23XV2a2wo+b8Eh7r8DBQ39FbCgZ+q+/iSRm3VY6wIDAQAB"

;; Query time: 140 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Sat Sep 10 22:53:45 2011
;; MSG SIZE rcvd: 308

Assuming the email is proving the correct location for your TXT record you would want to rename it "_adsp._domainkey".