As always, thanks, Sam.  This should get me going.  It's been years
since I've mucked with qmail but the general scheme of things will be
familiar if I get into the project.

On Fri, 2007-08-24 at 21:53 -0400, Sam Varshavchik wrote:
> > /usr/sbin/couriertcpd [logger, pid and other options] [block options]
> > -access=/etc/courier/smtpaccess.dat -address=0 465 /usr/bin/couriertls
> > -server -tcpd /usr/sbin/courieresmtpd
> > 
> > Do I need to insert a wrapper of some sort in here?  Are there any
> > instructions, examples or prototypes available?
> 
> There are no specific examples, but it works just like similar qmail-based 
> setups. After parsing couriertcpd's options, the remaining arguments form 
> the command courietcpd runs after establishing a connection, specifically: 
> "/usr/bin/couriertls -server -tcpd /usr/sbin/courieresmtpd". When couriertls 
> starts, after parsing its options the remaining argument forms the command 
> couriertls runs, specifically "/usr/sbin/courieresmtpd".
> 
> You would want to replace the last argument with your own wrapper: 
> /usr/local/sbin/esmtpdwrapper, an executable shell script, that might do 
> something like this:
> 
> #! /bin/sh
> 
> if test "$TCPREMOTEHOST" = ""
> then
>         exit 0
> fi
> 
> exec /usr/sbin/courieresmtpd
> 
> So, connections without a hostname in TCPREMOTEHOST get dropped right away, 
> everyone else runs courieresmtpd, as usual. Read "ENVIRONMENT VARIABLES" in 
> couriertcpd's man page for a list of environment variables you can use. Your 
> wrapper inherits the environment all the way from couriertcpd. You said you 
> don't want to require valid reverse DNS from some IP address ranges, so 
> you'll need to tweak this logic.

-- 
Lindsay Haisley       | "In an open world,    |     PGP public key
FMP Computer Services |    who needs Windows  |      available at
512-259-1190          |      or Gates"        | http://pubkeys.fmp.com
http://www.fmp.com    |                       |


-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >>  http://get.splunk.com/
_______________________________________________
courier-users mailing list
[email protected]
Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users

Reply via email to