Why not use a router and a transport instead of a filter. Something like
the following should do what you want, though you may want to use
fax.yourdomain instead of .fax. I'm not sure if sender_address is
available from the domainlist router, so you might need to get it out of
the header. local_part would be the fax number to send to I assume.
Transport:
fax:
driver = pipe;
command = "/usr/local/lib/fax/mailfax ${local_part} ${sender_address}",
pipe_as_creator,
return_output
Router:
fax_gate:
transport = fax,
driver = domainlist;
route_list = "fax.yourdomain.com yourdomain.com"
I've been looking for a good script to mangle an email into a g3 fax,
have you got one?
On Mar 17, Pete Ashdown <pashdown@???> wrote:
> I'm trying to install a system-wide filter, which will take addresses of
> the form:
> notify@???
>
> and redirect them to a FAX script.
>
> The following two attempts were mildly successful:
>
> ## Uses header_To: (fails for local mails without it)
> ## Doesn't expand the regex into $1 and $2 for some reason
> if $header_To: matches "([^@]+)@([^.]+)\.fax"
> then
> pipe "/usr/local/lib/fax/mailfax $1 $2 $sender_address"
> endif
>
> ## Uses $domain, which doesn't work very well at all
> if $domain matches "[^.]+\.fax"
> pipe "/usr/local/lib/fax/mailfax $original_local_part $domain $sender_address"
> endif
>
> What filter variables expand to show the recipient address, before the
> pipe, without fail?
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