To cleanly handle double bounces:
1. Create a dot-qmail file at /var/qmail/mailnames/yourdomain.com/.qmail-doublebounce containing:
1 |
|exit 0 |
2. Route double bounces to this file:
1 2 |
echo yourdomain.com > /var/qmail/control/doublebouncehost echo doublebounce > /var/qmail/control/doublebounceto |