Gert
> I think it might have something to do with the version of qmail used??
More likely mailfront or e-smith-email
ls /var/qmail/control
badhelo concurrencyremote helohost rcpthosts
badmailfrom databytes locals smtproutes
badrcptto defaultdomain mailrules.default virtualdomains
bouncefrom defaulthost me
bouncehost doublebounceto patterns.default
concurrencylocal envnoathost plusdomain
rpm -qa qmail
qmail-1.03-08
rpm -qa e-smith-email
e-smith-email-4.15.0-07gr07
rpm -qa e-smith-mailfront
e-smith-mailfront-1.5.0-13gr07
rpm -qa mailfront
mailfront-0.91-8es
As a starting point see
http://mirror.contribs.org/smeserver/contribs/rmitchell/smeserver/howto/Virus%20and%20file%20blocking%20HOWTO%20using%20smtpfront-qmail%20for%20sme%20server.htmalso
yum update
/sbin/e-smth/signal-event post-upgrade
/sbin/e-smith/signal-event reboot