In article <Pine.SOL.3.96.971201104314.2714E-100000@???>,
Philip Hazel <ph10@???> wrote:
>On Fri, 28 Nov 1997, Alan Thew wrote:
>
>> I'm running 1.73 but would appear to have got something wrong. I have
>>
>> percent_hack_domains="*.liv.ac.uk:liverpool.ac.uk"
>>
>> but mail from an offsite machine is happily relayed offsite, thus
>> bypassing the anti-relay blocks.
>
>The percent hack makes the incoming mail look like it's coming to your
>local domain as far as the normal relay-checking code is concerned, so
>it gets through.
>
>The percent_hack_domains option has been there since the very first
>version of exim, before all the other relaying stuff. I put it in in
>case anybody actually wanted it, though of course it is disabled by
>default. Instead of just having an on/off switch for the hack, I thought
>it might be more useful to allow it for certain local domains only, but
>there never was any check on the outgoing portion of the address.
>
>How important is this? Do people actually want to make use of the %-hack
>these days?
Yes. Please leave it in.
There are a class of problems that it solves nicely.
--
Stuart Lynne <sl@???> 604-933-1000 <http://www.poste.com>
PGP Fingerprint: 28 E2 A0 15 99 62 9A 00 88 EC A3 EE 2D 1C 15 68
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