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Spam Firewall Outbound Features

Lightning Technology, your source for Barracuda Networks

Barracuda Spam Firewall-Outbound Mode

The Barracuda Spam Firewall–Outbound Mode is a mail transfer agent (MTA) that uses sophisticated email filtering and policy management to protect organizations from such risks. It’s a powerful solution suitable for the largest of businesses, yet has the ease of use and affordability that smaller businesses demand.

The Barracuda Spam Firewall ­– Outbound Mode includes all the features needed to eliminate your outbound spam and protect against virus proliferation.

The Barracuda Spam Firewall ­– Outbound Mode is easily deployed and quickly installed. It is compatible with all email servers and can fit into nearly any corporate or small business environment. It can replace any existing outbound mail relay and sits between your client machines and the Internet. It can also be used by remote workers as a reliable mail relay.

Some of the key benefits of the Barracuda Spam Firewall-Outbound Mode are listed below.

Powerful, Enterprise-Class Solution

The Barracuda Spam Firewall– Outbound Mode is a powerful enterprise-class solution that provides outbound email protection in three key ways:

  • Stops virus proliferation
  • Enforces corporate policies
  • Prevents spamming

No organization, especially no ISP, wants to be the source of viruses or spam. It not only puts a tremendous strain on the company’s network, but it’s also damaging to the organization’s reputation. The Barracuda Spam Firewall– Outbound Mode ensures that all email leaving the network is virus-free and legitimate. It prevents people from unintentionally or intentionally using the organization’s network to send viruses or spam.

The Barracuda Spam Firewall– Outbound Mode also helps ensure that employees are in compliance with government regulations and corporate information policies. With laws that now govern how or when companies are able to disseminate sensitive information, it is critical for companies to monitor emails for regulatory compliance. But even absent such regulations, it makes good business sense to enforce corporate information policies and protect intellectual property from being inappropriately disseminated.


The Barracuda Spam Firewall– Outbound Mode is the most affordable solution for outbound email protection. With no per user license fees, the Barracuda Spam Firewall– Outbound Mode is affordable for businesses of all sizes—from small organizations to global ISPs and enterprises.

Virus Outbreak Protection

The Barracuda Spam Firewall ­– Outbound Mode can identify users that have a virus and can stop it before it is disseminated, preventing viruses from being sent to users outside the corporate network. A variety of methods including dual layer virus blocking, file type blocking, and decompression of archives is used for such virus outbreak protection.

User-based and corporate-based filtering

The decision on what types of emails to block can be made either by the user or on a global corporate level. You have the flexibility to decide where you would like the decision to be made.

Multilingual Support

The Barracuda Spam Firewall ­– Outbound Mode can detect and block outbound spam in more than ten languages and features a user interface available in Chinese (simplified and traditional), German, French, Spanish, Japanese, Dutch and English.

Corporate and Regulatory Policy Enforcement

Organizations must make sure that intellectual property and other confidential information is protected. Heightened awareness surrounding government regulations such as Sarbanes-Oxley, HIPAA and Gramm-Leach-Bliley, have increased the need for organizations to take a more proactive role in policing what information is disseminated through email. The Barracuda Spam Firewall – Outbound Mode is designed to enforce such policies through footer attachment, scanning and filtering, keyword and attachment blocking. In addition, The Barracuda Spam Firewall - Outbound Mode enables the administrator or user to set quarantine parameters for questionable email that can be reviewed and released, or blocked as needed.

Protection Against Spam Proliferation

In the last year a growing number of spam operations have employed unsuspecting open relays to send spam. This practice often goes unnoticed by the IT staff until problems, such as server overload or blacklisting, disrupts regular email communication. The Barracuda Spam Firewall – Outbound Mode uses advanced rate control features to thwart Zombie PCs and alert the IT staff of the affected organization any time a large quantity of email attempts to leave the network. The hijacked machine can then be shut down before the bulk of spam is sent. In addition to rate controls, the Barracuda Spam Firewall-Outbound Mode also uses domain restrictions, IP restrictions and user authentication to prevent outbound spam.


Model 200

Model 300

Model 400

Model 600

Model 800

Email Capacity per Day




1 million

1.5 million

Active Email Users












Compatible with all Email Servers

Hardened and Secure OS

Per User Settings and Quarantine

MS Exchange/LDAP Accelerator

Syslog Support

Per Domain Settings


Per User Score Settings

Customizable Branding

Trade-in's Welcome:

Call one of our sales consultants at 800-835-8730 to learn more about the Barracuda trade-in program, and to discuss the current "Specials" we have in stock.

Same day shipping on all in stock items:

You can count on same day shipping from our extensive inventory of new Barracuda gear. If we don't have it in stock, we will work directly with the manufacturer to expedite your order.

Technical Support:

Our highly trained technical staff will be there to offer assistance and advice in installation and configuration of your equipment.

Quality you can count on:

All of our products that need configuration go through a thorough inspection, test, and burn-in before they are ever offered for sale. This minimizes the chance of you receiving a piece of equipment that does not meet your satisfaction. All of our refurbished Barracuda equipment comes with a full 6 month warranty.

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