On Thu, 5 Nov 1998, Andromeda wrote:
> No, basically if EXIM on YOUR host has "relay_domains_include_local_mx"
> set, then any domain that has YOUR machine as an MX will be able to relay
> through you.
Correct, provided that you are set up to route to such domains. There
are some ISPs that want that facility. It is not the default!
> However, afaik anyway, the best IMO is to use the "sender_address_relay"
> option to restrict the hosts that can relay through you. Thank you to
> Philip for explaining that one to me :)
Er, sender_host_accept_relay for controlling hosts. But that is for
controlling *outgoing* (to anybody from specific hosts) relaying,
whereas relay_domains and relay_domains_include_local_mx is for
controlling *incoming* relaying (from anybody to specific domains).
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
--
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