>> >> At present every time the user list changes a copy is mailed
>> >> to the MX host and written to the user file by a Perl
>> >> script.
>>
>> > That''s neat. Rather neater, in my opinion, than using
callouts.
>>
>> It''s certainly got to be faster than using callouts. Also I
>> don''t know whether recipient callouts are possible because the
>> host called has a private IP so the callout can''t use the DNS.
>> Is there a way to call out to this private IP?
> As long as your exim knows how to route e-mail to a domain (by
> virtue of DNS, or hubbed_hosts), callouts will work. They use
> the same routing mechanisms.
Thanks for the advice. So it loks like I can leave Exim to to all the work
using callouts and drop the routine which copies the user list over to the MX
host.
Regards,
Rob