DCC -> report failed: Exited with non-zero exit code 67

> > We use the GTUBE http://spamassassin.apache.org/gtube/ test 
> message, 
> >which would take care of the body portion of the mail. I 
> guess I could 
> >use a reserved ip address such as in the 192.168.*.* subnet for the 
> >client ip address and that  would work.
> 
> People using that RFC 1918 192.168.0.0/16 address on their 
> internal networks might be unhappy to have the DCC 
> Reputations of their mail systems trashed by a zillion 
> SpamAssassin installations running the test.  It would be 
> better would be to use an address that is impossible but that 
> gets past the rudimentary checking in the DCC code.
> 255.255.255.255 is one that seems to work.
> 

Or even 192.0.2.0/24 .