#!/bin/bash

# Path dei CMS
#CMS_PATH=('/home/' '/var/log/');
SALTA='mysql information_schema'
PATH_DIR='/mnt/backup'
# Nome directory backup
BACKUP_DIR="backup_siti_$(date +"%Y%m%d-%H%M")"
# Path backup
DESTINAZIONE=$PATH_DIR'/'$BACKUP_DIR
....
# Email notifica
EMAIL='mail@dom.it;mail@dom2.it'

Va bene il ";"?