Spam detection software, running on the system "basil.jkm.net", has
identified this incoming email as possible spam.  The original message
has been attached to this so you can view it (if it isn't spam) or label
similar future email.  If you have any questions, see
postmaster@jkm.net for details.

Content preview:  I've searched net and mailing list, read the docs, etc,
  and have not found a patch/suggestion on how to changedthe source code
  of check_nagios to correctly parse the new format of the status log in
  Nagios 2.0b1. [...] 

Content analysis details:   (3.5 points, 1.0 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
 3.5 HELO_DYNAMIC_IPADDR    Relay HELO'd using suspicious hostname (IP addr 1)