do you use SPF TXT RRs? (RFC4408)

[mloftis at wgops.com (Michael Loftis)]

--On Monday, October 04, 2010 9:54 AM -0700 John Adams <jna at retina.net> 
wrote:

> Without proper SPF records your mail stands little chance of making it
> through some of the larger providers, like gmail, if you are sending
> in any high volume. You should be using SPF, DK, and DKIM signing.
>
> I don't really understand how your security company related SPF to DoS
> though. They're unrelated, with the exception of backscatter.

FUD most likely, that's the stock in trade for almost all "security audit" 
firms.

>
> -j