[Mimedefang] Sendmail reverse DNS not making it to MIMEDefang

Jeff Rife mimedefang at nabs.net
Tue May 13 15:25:15 EDT 2008

On 13 May 2008 at 15:07, Joseph Brennan wrote:

> The host has a PTR to a name that has no A record.  That's why
> you see "(may be forged)".  Sendmail does not report that name to
> milter.  Note,
> $ host
> domain name pointer host.lightcore.net.
> $ host host.lightcore.net
> Host host.lightcore.net not found: 3(NXDOMAIN)

That works.  I hadn't done the forward lookup after the reverse.

Since I'm storing this in a database for later (although I don't use 
the hostname for anything yet), I don't really want anything that isn't 
mostly accurate, and this reverse/forward double-check will keep it 


Jeff Rife |  
          | http://www.nabs.net/Cartoons/Dilbert/NoHelpDesk.jpg 

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