how to bock mailservers that have only an ip address

[James Gray]

On Sun, 30 Apr 2006 23:45, kte at nexis.be wrote:
> I  there a way to block server who don't have an DNS name but only
> resolve to an ip address in sendmail?
>
> Thanks Koen

http://www.cs.niu.edu/~rickert/cf/hack/require_rdns.m4

Should fix your dilemma.  There may be easier ways.

Cheers,

James
-- 
An alcoholic is someone you don't like who drinks as much as you do.
		-- Dylan Thomas
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