Qmail TLS + SMTP Plugins on FreeBSD
Problem One of the worst problems in qmail is that it accepts messages for non existent users and then sends back a bounce to the sender. This is the perfect setup to be exploited by a spammer. I’m using the qmail-tls port configured with vpopmail on FreeBSD. Solution There might be some patches that make … Continue reading Qmail TLS + SMTP Plugins on FreeBSD