List of popular DNS blacklists for spam?

Dan Nelson dnelson at
Thu Jun 12 11:46:17 PDT 2003

In the last episode (Jun 12), Philip Hallstrom said:
> 	I'm testing the use of some DNS blacklists to cut down on my
> spam and there are a lot of servers to choose from.  I was wondering
> if there is a list of popular servers.  I've seen comparison lists,
> but I'm hoping for more of a survey of sysadmins and what they use
> (if anything).
> If something like that doesn't exist, if I setup the survey would you
> all take the time to list what servers you use?

I block everything in via sendmail, and also use
whatever Spamassassin defaults to, and reject anything with a score
over 20.

> (please cc me on replies as I've unsubscribed while testing my
> various spam filters)

That's standard procedure on these lists.

	Dan Nelson
	dnelson at

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