[ec2-user@ip-XXX-XX-X-XXX Mail-Server-Script]$ sudo service amavisd restart
Shutting down Mail Virus Scanner (amavisd):                [FAILED]
Starting Mail Virus Scanner (amavisd): Variable "$bypass_virus_checks_maps" is not imported at /etc/amavisd.conf line 816.
Error in config file "/etc/amavisd.conf": Global symbol "$bypass_virus_checks_maps" requires explicit package name at /etc/amavisd.conf line 816.
                                                           [FAILED]