Reporting-MTA: dns; fyi
X-Postfix-Queue-ID: B8F4A1F8081
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xxx.xxx.xx
Arrival-Date: Wed, 11 Apr 2012 14:14:13 +1200 (NZST)

Final-Recipient: rfc822; xxx@xxx.xxxx.xx
Action: failed
Status: 5.0.0
Remote-MTA: dns; spe1.messageshield.co.nz
Diagnostic-Code: smtp; 550 Rule imposed IP Address listed on Spamhaus RBL