Re: spawn(8) question

On Sun, Jun 05, 2005 at 08:28:39PM +0200, Ralf Hildebrandt wrote:

> The man page says:
>
> The spawn(8) daemon provides the Postfix equivalent of inetd. It lis-
> tens on a port as specified in the Postfix master.cf file and spawns an
> external command whenever a connection is established. The connection
> can be made over local IPC (such as UNIX-domain sockets) or over non-
> local IPC (such as TCP sockets). The command's standard input, output
> and error streams are connected directly to the communication endpoint.
>
> But where is the behaviour documented, that these communication endpoints
> end up in $queue_directory/private/<servicename> ?
>

Not a great deal of detailed documentation, but these indirectly imply
the fact:

http://www.postfix.org/SMTPD_POLICY_...#client_config
http://www.postfix.org/SMTPD_ACCESS_README.html#lists
http://www.postfix.org/postkick.1.html

If you mark it public, the socket is $queue_directory/public/service. You
should use "inet" for services that accept connections from non-Postfix
clients, since directory permissions require either user "postfix" or
(public) group "postdrop". One can also use "../non-postfix/service" in
master.cf, but this likely voids the warranty :-)

--
Viktor.

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