SNIP
> Any chance that the old one would cause my Mailscanner to stop > working? I highly doubt it. All chkrootkit does is run a couple of executables and a shell script that do the various scans for known files, etc. It shouldn't impact any other processes on the server...
Did you update sendmail last week? That's what broke it. You should look at last weeks' discussions about MailScanner and sendmail.
Cheers, Glenn