Sam <[EMAIL PROTECTED]> writes on 13 January 1999 at 16:12:49 GMT
 > [EMAIL PROTECTED] writes:

 > > And checking the sender is fairly expensive, too.
 > 
 > No it's really not.  You've got a caching name server on the local net,
 > right?

Yes; but it's not that likely that I've got the sender's domain
already cached.  It's probably an actual additional DNS lookup.
-- 
David Dyer-Bennet                                              [EMAIL PROTECTED]
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