qmqtool is a great tool for viewing and changing messages in qmail’s queue. It’ll help you search for and delete spam, for instance. The FAQ has a some examples to get started with.
Monthly Archives: March 2010
Relaying Qmail Through a Spam Filter
If you’re running a mail service on a web server so it can send out e-mail from contact forms, etc then you’ll want to make sure it’s relaying outbound mail through a spam filter, or it could be used to send spam if the forms get hijacked. For qmail, you just need to create /var/qmail/control/smtproutes […]
Memorable IP Address
If you’re troubleshooting a network’s uplink to the Internet and want a memorable external IP address to ping, then you can use 4.2.2.2, which is one of Verizon’s DNS servers.