When placing the line to set the EnvironmentVariable
QMAILQUEUE="/var/qmail/bin/qmail-scanner-queue.pl"
Note: This is for ONLY if you are having issues with the qmail-scanner-queue.pl file stalling the startup of qmail-smtp. This is a Hack and is not guaranteed to work!
The memory softlimit is too small. In my case, increasing it from 2,000,000 to 3,000,000 solved the issue. --SreejithKalyat
One page links to QmailScannerNotes: