On Tue, 1 Feb 2005, Steev Hise wrote:
> on Tue, 1 Feb 2005 Tony Finch told me:
>
> -> require
> -> verify = recipient
> -> condition = ${lookup {$address_data} \
> -> lsearch {/etc/mail/not-these-users} \
> -> {no} {yes} }
>
> ok this gets me almost there. but, sorry to be so dense, but i
> don't understand what the {no} and the {yes} are for. i can't
> find in the docs anywhere an explanation of that.
See the documentation for the ${lookup expansion item in the string
expansions chapter of the specification. ${lookup can work like a
conditional test, so if $address_data is found in the file, the result of
the expansion is no, otherwise it is yes. This then determines whether the
condition fails or succeeds.
> is this assuming the files looks like
It can be just a list of usernames. In this case the right-hand-side data
is ignored.
Tony.
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