On Wed, 21 Apr 1999, Jason Gunthorpe wrote:
> No, it is invoked through a much more round about manner - it does run as
> a specific user.
Ah, then I'm confused about what the problem is, sorry. The "mail"
command does allow you to set the "From:" header. However, unless the
specific user submitting the message is trusted, Exim will insert a
Sender: header too. Does that help?
> Hm, you might want to update your document, if the example you gave for
> the ${lookup directive included quotes it would have saved me alot of time
> :>
Oops. My apologies. I will add words to the description of ${lookup}.
> So the correct syntax would be:
>
> if "${lookup {${local_part}} lsearch {maintainerdb} {$value} {unknown}}"
> then
> # Fail?
No. In a filter file, there isn't any difference in behaviour between
if "${lookup {${local_part}} lsearch {maintainerdb} {$value} {unknown}}"
is not "unknown"
then
and
if "${lookup {${local_part}} lsearch {maintainerdb} {$value} fail}"
is not "unknown"
then
because hitting the "fail" causes the condition always to fail. However,
if you just have
if "${lookup {${local_part}} lsearch {maintainerdb} {$value} }" then
you will hit a syntax error, since the condition is not complete. It is
equivalent to saying
if "xxxx" then
which isn't a valid condition. In fact, the expansion will be the empty
string if the lookup fails.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
--
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