qmail-taps-extended
The qmail-taps-extended patch by Inter7 (extension by Michai Secasiu) provides the ability to save each email which flows through the system. You could decide to log only the messages which have the From or To address set to a local account. You just have...
Greetdelay for qmail
Download here Author of the patch: John Simpson (?) I replaced the original greetdelay by Erwin Hoffmann with the patch by John Simpson. Now communications trying to send commands before the greeting will be closed provided that you declare DROP_PRE_GREET; premature disconnections will...
Configuring moreipme
The qmail-moreipme patch by Scott Gifford prevents a problem caused by an MX or other mail routing directive instructing qmail to connect to itself without realizing it's connecting to itself, saving CPU time and in the most critical cases it takes...
How to avoid being "cut off" by spamhaus.org
As you probably know spamhaus limits your smtp and DNS traffic (http://www.spamhaus.org/organization/dnsblusage/ for more info) and in case of big servers this can be a serious problem. Luckily, Costel Balta sent me a solution to the problem that I'm going to paste...
