On Tue, Nov 19, 2002 at 10:04:33PM -0500, Gordon Rowell <[EMAIL PROTECTED]> 
wrote:
> [...]
> That's precisely what the last line above is asking _tcpserver_ to do -
> select a MAILRULES file. The other lines don't bother with MAILRULES,
> since we're going to let them relay anyway.
>
> tcpserver starts mailfront based on the IP selection criteria 
> above, setting environment variables as requested.
> [...]

Umm, sorry, that was badly worded. tcpserver just sets environment 
variables and allows connections to another program. The called 
program (smtpfront-qmail in this discussion) can make use of 
those environment variables.

So, tcpserver can be used (as we do) to determine which environment
variables to set (and to what values) based on IP selection criteria
and the called program determines what to do (if anything) with 
those variables.

Gordon
--
 Gordon Rowell                         [EMAIL PROTECTED]
 Director, Engineering
 Network Server Solutions Group        http://www.e-smith.com/
 Mitel Networks Corporation            http://www.mitel.com/smallbusiness


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