This patch allows qmail to use multiple interfaces/ips for outgoing smtp connections. It allows the system administrator to set up an ip pool with the desired ips and then qmail will rotate trough the list of ips for each outgoing email.
Platform(s): Linux, FreeBSD, Sun Solaris
Date: Nov, 28 2004
Author: Mihai Secasiu, http://denixsolutions.com/Scripts/Qmail-Multiple-Interfaces-Patch