This solution applies to all Barracuda Spam Firewalls.
Yes, Energize Updates directly affect how much spam is blocked or quarantined on a Barracuda Spam Firewall. In particular, Barracuda Block List definitions are automatically updated four times every hour. Also, by default, Spam definitions are set to update once an hour. Barracuda Networks sends out numerous Energize Updates throughout the day. These updates are critical to the amount of spam that is blocked or quarantined by the Barracuda Spam Firewall.
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