On 19 Jan 2003, Tony Earnshaw wrote:
> What I'm trying to do, is to reject mail from senders who claim to be a
> local part in my domain.
A dangerous thing to do if there is any chance that
(a) One of your users may send out a message that gets forwarded back to
your MTA.
(b) You support roving users (with AUTH or whatever).
> A certain (very small up to now, but growing)
> amount of spam comes from these.
Sickening, isn't it.
> # Trying to shut out people from outside who say they're us.
> # Works partly :-)
> deny condition = ${if and { \
> {!eq {$sender_address_domain}{$domain}} \
> {eq {$sender_address_local_part}{*@$domain}} \
> } \
> {true}{false} \
> }
$sender_address_local_part can never be *@$domain, so your second test
is always false.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
