Previously
This is the seventh in a series of “Nifty and Minimally Invasive qmail Tricks”, following
- qmail + SMTP AUTH + SSL + TLS - patches
- qmail + badrcptto - patches
- qmail + NetBSD nightly maintenance
- qmail + IMAP-before-SMTP
- qmail + spam filtering
- qmail + SMTP AUTH + TLS redux
The QMAILREMOTE patch
When you want to wrap
qmail-remote(8)
with another program — for instance, to
DKIM-sign outgoing mail
— the QMAILREMOTE patch
lets you do so by setting an environment variable.