First, we'll initialize the version file. This command also helps to keep your server's /var/spool/qmailscan folder clear of rogue files that can develop when SMTP sessions are dropped. You may want to stick this command into your server's crontab and run it once a day. You'll see more on this in the "maintaining your qmail server" step near the end of this tutorial.. So let's run it...

setuidgid qscand /var/qmail/bin/qmail-scanner-queue.pl -z

And now we will generate a new perlscanner database for qmailp-scanner. For future reference, it's a good idea to run this next command whenever you upgrade qmail-scanner. You'll see more on this in the "maintaining your qmail server" step near the end of this tutorial. So let's do i t...

setuidgid qscand /var/qmail/bin/qmail-scanner-queue.pl -g

A successful database build should produce the following output:

perlscanner: generate new DB file from /var/spool/qmailscan/quarantine-attachments.txt
perlscanner: total of 9 entries.

And now one final ownership check...