do you use SPF TXT RRs? (RFC4408)

Tue Oct 5 07:45:46 UTC 2010

On Oct 4, 2010, at 1:59 PM, Valdis.Kletnieks at vt.edu wrote:

> On Mon, 04 Oct 2010 13:30:55 PDT, Owen DeLong said:
> 
>> Removing a few points probably isn't a bad idea so long as you have a list of
>> domains for which points should be added.
> 
> 140 million .coms. Throw-away domains. I do believe that Marcus Ranum had
> "trying to enumerate badness" on his list of "Six stupidest security ideas".
> This won't scale as long as you have more spammers adding new domains faster
> than your NOC staff can add them to the blacklist.
> 
Yes, getting rid of domain tasting and taking some other steps to bring sanity
to the domain name process would really help, IMHO.

> (And even centralized blacklists run by dedicated organizations haven't solved
> the problem yet, so I'm not holding my breath waiting for that to work out...)

Fair enough. It's not a panacea, but, it can be a component of a solution.

Owen