Milter-greylist

On 09/26/2008 12:47 PM Mark Walker wrote:
> I've been having a lot of multiple attempt spam that's coming from 
> domain names that have been created in the last 2 months. 
> 
> Is there any way to look up a domain name to see when the name was 
> created?  Whois services will only let you look up a few names before 
> blocking you.

Don't know if this helps, but spamassassin has "Day Old Bread" rules:

updates_spamassassin_org/72_active.cf:##{ DNS_FROM_DOB
updates_spamassassin_org/72_active.cf:header DNS_FROM_DOB 
eval:check_rbl_envfrom('dob','dob.sibl.support-intelligence.net.')