On Sun, 24 Aug 2003, David Woodhouse wrote:
> I'd like to have a method to allow Exim to return a 4xx temporary
> failure to a mail only _once_. If a defer_once result is obtained for a
> message which has already been seen (using Message-ID as a key and maybe
> md5sum of body if there's no Message-ID), the message should be
> accepted.
This looks like a requirement for a huge amount of apparatus for a very
special case. I don't think this level of logic is appropriate for an
MTA.
However, if you want, you can build it yourself, using the local_scan
interface.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book: http://www.uit.co.uk/exim-book
