[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 204.9.124.194
> 194.124.9.204.in-addr.arpa 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
better.
Thanks.
--
Jeff Rife |
| http://www.nabs.net/Cartoons/Dilbert/NoHelpDesk.jpg
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