On Fri, 4 Oct 2002, Juha Saarinen wrote:
> This could be the reason though. I suppose there's a time-out for the
> DNSBL lookup... Philip?
Yes - the resolver's natural timeout. This results in a "defer" result
which should give a temporary rejection.
However, you can change this. See +include_unknown, +exclude_unknown,
and +defer_unknown.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.