> From: Nils Altenbach
> I want exim4 to run a shell script every time the transport
> local_mysql_delivery delivers a mail, with the username of the user
> receiving the mail (local part of the email address) as argument for
> that script.
>
> I've tried using the transport_filter, but it doesn't work.
>
> This is the transport in question:
>
>
> local_mysql_delivery:
> driver = appendfile
> # file = /var/mail/$local_part
> # directory = /home/$local_part/.maildir
> directory = /var/mail/${domain}/${local_part}/
> maildir_format
> delivery_date_add
> envelope_to_add
> return_path_add
> user = mail
> group = mail
> mode = 0660
>
> # running the delivery alert script
>
> # transport_filter = /bin/sh -c /usr/local/bin/maildelivered.sh
> '${quote_mysql:$local_part}'
transport_filter = /bin/sh -c '/usr/local/bin/maildelivered.sh
${quote_mysql:$local_part}'
But a transport filter must copy its standard input to its standard output
(optionally with modifications). Instead I use "unseen" in the router and
an additional router with a pipe transport.
> The transport filter is commented out because if I use it, mails aren't
> delivered, and /var/log/exim4/mainlog gives me something like this:
>
> 2010-12-03 16:51:25 1POXtY-00035P-2l == [email protected] R=mysql_user
> T=local_mysql_delivery defer (-24): transport filter process failed
> (127) while writing to tmp/1291391485.H362240P11945.fooserver.net:
> unable to execute command
>
> What am I doing wrong? Should I use run instead of transport_filter, and
> how exactly am I supposed to run a shell script from a transport? I
> don't need any feedback from that shell script (other than it did run
> without errors), I just need exim to run that script every time a MySQL
> user receives a mail.
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