MailScanner fail after spam message received

[Kimmo Veijalainen]

> Every-time when I receive spam message, MailScanner restart (or die?!). When I run with check_MailScanner with Debug=on i got this error:
> 
> 10:13:26 Insecure dependency in open while running with -T switch at /usr/lib/perl5/IO/File.pm line 185.
> Failed.

There's a taint issue somewhere.
Quick and dirty solution: edit the first line of /usr/sbin/MailScanner. Add -U option.
Then it will run "unsafe" code that normally fails taint checks.