[Mimedefang] OT: DNS sanity check

Joseph Brennan brennan at columbia.edu
Thu Jul 5 15:39:06 EDT 2007



--On Thursday, July 5, 2007 12:01 -0700 John Rudd <john at rudd.cc> wrote:

> I can't speak for the internet as a whole, but it does NOT have a huge
> false positive rate.  It has a _tiny_ false positive rate.  Most
> legitimate outbound email servers do appear to have their DNS properly
> configured.  The ones who don't actually appear to be a small minority
> (from where I sit, and from where most of the users of my plugin report).


That's how it looks from here too.  We also score for it but need
more spamminess for rejection.

Joseph Brennan
Lead Email Systems Engineer
Columbia University Information Technology




More information about the MIMEDefang mailing list