Mate Wierdl writes:
> On Mon, 11 Jan 1999, Mate Wierdl wrote:
>
> >
> > 3) After the upgrade, I remove sendmail, rpm -e sendmail, and reinstall the
> > Qmail RPM. I either reboot, or manually rerun the initscript to restart
> > Qmail.
> >
> > But you have to make sure you boot into single user mode, so sendmail
> > does not startup (else it might start delivering messages to the wrong
> > place). So this method is more than 3 commands...
>
> Until sendmail knows how to deliver stuff out of /var/qmail/queue, that is
> not a very likely possibility. The only thing that can possibly happen is
> something getting kicked off by cron which mails a job status, and that
> happening after you reboot, but before your remove sendmail.
>
> On *my* box, I know pretty much everything that gets run by cron, and
> when. So I have things under control.
>
> How about incoming messages??
Generally, having the machine plugged into the network while you're
upgrading is a big no-no anyway. You either unplug the coax, or deactivate
the eth0 interface doing the upgrade.
When you rebuild a box that way, you better isolate it from the outside
world. Otherwise, you might have bigger problems than misdirected mail.
