Email Security & Spam Filtering

The Barracuda Email Security Gateway leverages Barracuda Central to identify email from known spammers and determine whether domains embedded in email lead to known spam or malware domains. Its industry-leading techniques protect against attempts to embed text inside images with the intent of hiding content from traditional spam filters.

As virus attacks become more sophisticated, email infrastructures require advanced virus protection. The potential for the destruction and release of information, or the disruption of a network, severely impacts productivity and can lead to financial loss.

The Barracuda Email Security Gateway scans email and incoming files by using three powerful layers of virus scanning technology. It also decompresses archives for complete protection. Powerful virus definitions are automatically updated via Energize Updates to maintain the latest protection against email-borne viruses.

Features

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Denial of Service (DOS) Attach Protection

Denial of Service (DOS) Attach Protection

Not every attack is focused on viruses, getting users to send their credit card number, or clicking on a malicious link. Often, the objective of the attack is focused on compromising or completely disabling a network. As a device that sits in front of an email server, the Barracuda Email Security Gateway is positioned to stop spammers before they overload an email server.

Email Spooling

Email Spooling

The Barracuda Email Security Gateway ensures that email can still be delivered even during email server failures or loss of connectivity. In the event of on-premises disruptions, email can be spooled in the Cloud Protection Layer (CPL) for up to 96 hours.

Spam and Virus Pre-Filtering

Spam and Virus Pre-Filtering

The Barracuda Email Security Gateway is integrated with a cloud-based service that pre-filters email before delivery to the onsite Barracuda Email Security Gateway. The Cloud Protection Layer is continuously updated with definitions in real time from Barracuda Central. In addition, Barracuda’s global cloud infrastructure provides the flexibility to handle email surges during specific periods of the day and during Denial of Service attacks.

Encryption

Encryption

The Barracuda Email Security Gateway offers a number of encryption features. It is fully integrated with a cloud-based email encryption service for outbound email. Email that matches policy or is marked for encryption via the Barracuda Outlook Add-in is sent securely via TLS to the Barracuda Message Center.

Outbound Filtering

Outbound Filtering

Employees can inadvertently cause internal systems to become a source for botnet spam. By using a subset of its defense layers, the Barracuda Email Security Gateway’s outbound filtering stops outbound spam and viruses

Cloud based central management

Cloud based central management

Cloud Protection Layer (CPL) is an additional layer of protection that blocks threats before they reach your network and provides email continuity. Once email passes through the CPL, the Barracuda Email Security Gateway filters email according to the more granular policies, recipient verification, quarantining and other features you configure on the appliance

Barracuda Central

Barracuda Central

All Barracuda products are supported by Barracuda Central, a 24/7 advanced security operations center that works continuously to monitor and block the latest Internet threats. Barracuda Central collects and analyzes data from more than 250,000 collection points worldwide in order to develop defenses, rules, and signatures. Barracuda Central responds to outbreaks as they emerge and delivers the latest definitions via Barracuda Energize Updates.