On 8/23/2010 8:48 AM, Ralf Hildebrandt wrote:
* p...@alt-ctrl-del.org<p...@alt-ctrl-del.org>:
I find that a lot of spam comes from recently registered, throw away
domains. The new domain may be used as the sender, hostname, or name

Are there any rbl type lists that block fresh domains, for the first
10-15 days of their existence?

Dunno if Marc is still active

Yes, the "hostkarma" lists are active, IMO best used in SA because they mix whitelist with blacklist using different return codes. (Might be time to revisit DNS whitelists in postfix.)

I've also been playing with these:
The FRESH lists are what you're looking for.

  -- Noel Jones

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