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...
Testing ESMTP-SIZE patch for qmail
Author of the patch: Will Harris' (?) http://will.harris.ch/qmail-smtpd.c.diff (local copy) The patch allows the qmail-smtpd to reject the message if it's too big according to its accepted databytes before it has been received. Try to send a test message that is bigger than your...