On Mon, 19 Nov 2001, tom bell wrote:
> Quick question, I am trying to give
> someone the ability to relay through my mail
> server from arbitrary hosts.
That's what SMTP authentication is for.
> So I have
> added the following to my conf and am getting
> no joy.
>
> sender_address_relay = @@lsearch*;/etc/relay-users
>
> with the file in question having the following
> format.
>
> domain.com address.1:address.2
>
> I'm guessing this is wrong but would like some
> tips.
If it's only one person you want to let through, why didn't you just set
sender_address_relay = user@domain
? I suspect that you are trying to set something up for a lot of users...
You don't actually way what goes wrong. However, if all you have set is
sender_address_relay, it won't work. The manual says:
sender_address_relay Type: address list Default: unset
This option specifies a set of address patterns, one of which the sender
of a message must match in order for the message to be accepted for |
outgoing relaying, that is, relaying from specified hosts to arbitrary |
domains. The check does not operate for incoming relaying, that is, for |
addresses that match "relay_domains". |
If this option is not set, all sender addresses are permitted. By default,
^^^^^^^^^^
the check operates in addition to any relaying checks on the sending host
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(see "host_accept_relay" above). However, if "relay_match_host_or_sender"
is set, either a host match or a sender match is sufficient to allow the
relaying to proceed. For this reason, "sender_address_relay" is required
to be set if "relay_match_host_or_sender" is set.
So you need to set relay_match_host_or_sender as well if you want to
relay on the basis of the sender address only.
But I strongly advise you NOT TO DO THIS.
It is a thoroughly BAD idea. Sender addresses are trivially forged. If a
spammer finds this out (once you have got it working) you will be in
dead trouble.
Please consider using SMTP authentication instead.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
