/opt/MailScanner/bin/MailScanner --lint
Checking version numbers...
Version number in MailScanner.conf (4.62.8) is correct.

Checking for SpamAssassin errors (if you use it)...
SpamAssassin temp dir = /var/spool/MailScanner/incoming/SpamAssassin-Temp
config: warning: score set for non-existent rule RCVD_IN_PBL
SpamAssassin reported an error.
INFO:: Meaningless output that goes nowhere, to keep SAVI happy
MailScanner.conf says "Virus Scanners = clamd sophossavi"
Can't exec "/bin/false": No such file or directory at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 3099.
Can't exec "/bin/false": No such file or directory at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 3099.
Can't exec "/bin/false": No such file or directory at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 3099.
Found these virus scanners installed: clamavmodule, sophossavi, clamd
===========================================================================
Ignore errors about failing to find EOCD signature
Use of uninitialized value in string ne at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 3228.
Use of uninitialized value in string ne at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 3229.
Use of uninitialized value in string ne at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 3246.
Use of uninitialized value in numeric gt (>) at /opt/MailScanner/lib/MailScanner/SweepViruses.pm line 1039.
Use of uninitialized value in length at /opt/MailScanner/lib/MailScanner/SweepOther.pm line 131, <GEN53> line 8.
Use of uninitialized value in hash element at /opt/MailScanner/lib/MailScanner/SweepOther.pm line 165.
Use of uninitialized value in hash element at /opt/MailScanner/lib/MailScanner/SweepOther.pm line 415.
Use of uninitialized value in substitution (s///) at /opt/MailScanner/lib/MailScanner/SweepOther.pm line 425.
Use of uninitialized value in substitution (s///) at /opt/MailScanner/lib/MailScanner/SweepOther.pm line 427.
Use of uninitialized value in split at /opt/MailScanner/lib/MailScanner/SweepOther.pm line 429.
Use of uninitialized value in hash element at /opt/MailScanner/lib/MailScanner/SweepContent.pm line 288.
Use of uninitialized value in split at /opt/MailScanner/bin/MailScanner line 434.
===========================================================================

If any of your virus scanners (clamavmodule,sophossavi,clamd)
are not listed there, you should check that they are installed correctly
and that MailScanner is finding them correctly via its virus.scanners.conf.