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Email Security for Exchange
Product Comparison Chart
Ninja Email Security Version 2.1 Barracuda Spam Firewall Model:300
Antispam Features
Policy-based user settings Yes No
Multiple scanning engines Yes Yes
Dedicated image spam engine Yes No
RBL Yes Yes
SPF Yes Yes
SURBL Yes No
Antispoo ng Yes Yes
Antiphishing Yes Yes
Regular expressions in rules Yes Yes
Personal allow and block lists Yes Yes
Personal contacts allowed Yes No
Auto-allow list for outgoing email Yes No
Spam redirection Yes No
Personal quarantine Yes Yes
Auto empty of quarantine Yes Yes
Global rules Yes Yes
Subject modi cation Yes Yes
POP connector support Yes No
Blackberry support/alliance partner Yes No
Client-side software needed No Yes
Antivirus Features
Multiple AV engine providers Yes No
Malware ltering Yes Yes
On-demand scanning Yes No
Background scanning Yes No
Scans Exchange information store Yes No
Internal AV scanning Yes No
Attachment Filtering
Policy-based user settings Yes No
Smart ltering Yes No
Internal ltering Yes No
Outbound ltering Yes No
Inbound ltering Yes Yes
Regular expressions Yes No
Ninja Email Security Version 2.1 / Barracuda Spam Firewall Model:300 Comparison - July 2007
Ninja Email Security Version 2.1 Barracuda Spam Firewall Model:300
Disclaimers
Global disclaimers Yes Yes
Policy-based disclaimers Yes No
Removal of duplicates Yes No
Html wysiwyg Yes No
Embedded attachments Yes No
Active directory variables Yes No
Optional user controls Yes No
Management
Reporting Yes Yes
Quarantine options Yes Yes
Multi-server replication Yes No
Cluster support Yes No
MMC console Yes No
Web console No Yes
Full Active Directory integration Yes No
Making sense of it all
In a simple, high-level product comparison between Sunbelt Ninja Email Security Version 2.1 and Barracuda Spam Firewall Model 300, a few key
feature di erences are highlighted below:
Ninja’s plug-in architecture was designed with exibility and extendibility in mind. That way you get a robust product that enables you to manage
your entire email security. You can create customizable policies utilizing Ninja’s integrated plug-in management. Ninja includes plug-ins for antispam,
antivirus, attachment ltering, and disclaimers.
u What this means to you: Ninja gives you extensive policy creation capabilities to help ensure enforcement of how messages are handled
based on your company’s business processes and corporate messaging and security policies. You can create custom policy-based rules with support
for custom regular expressions. As an appliance, Barracuda Spam Firewall is not policy-based and has limited exibility and integration with
your email resulting in less security across the board.
For image spam – Ninja has the industry’s ONLY dedicated image-spam engine. Ninja uses advanced heuristics to identify if a message’s image
should be scanned. If it does, then Ninja analyzes the message to determine if email is image spam – identi ed by text within the image using
proprietary technology.
u What this means to you: With the dedicated image-spam engine, Ninja provides a second layer of protection for image spam detection. It
is designed to protect against newer and emerging image spam threats – and bolsters the ability to catch newer variants of existing image spam,
reducing the amount of image spam that makes it into your users’ mailboxes. Barracuda Spam Firewall does not have a dedicated image-spam
engine and only use standard antispam practices in an attempt to catch image spam.
With Ninja’s antispam module, your users’ Personal contacts in Outlook are automatically allowed and all outgoing email is auto-allowed on a
per-policy basis.
u What this means to you: Your users don’t have to whitelist their address book. This greatly reduces the chance of false positives from their
contacts and ensures that legitimate email is received. Barracuda Spam Firewall does not have this feature which can increase the chances of
legitimate email being quarantined.
Ninja Email Security Version 2.1 / Barracuda Spam Firewall Model:300 Comparison - July 2007
Making sense of it all
Ninja can be con gured per policy to centrally quarantine spam that enables you to redirect detected spam to a di erent mailbox.
u What this means to you: This allows you to minimize the amount of time employees spend reviewing quarantined messages and allows for
centralized review and management of quarantined items. While Barracuda Spam Firewall does have a centralized message log, it does not allow
the exibility on a per-policy basis for spam redirection.
With Ninja, all treatment of messages occurs at the server and not at your end-users’ workstations – so no client software is needed.
u What this means to you: With no client-side software needed, Ninja’s full feature set is delivered to all end users – requiring less
administrative e ort to install across your network. Barracuda Spam Firewall requires a client-side plug-in for Outlook that must be installed on
every workstation in order for all features to be used.
Ninja o ers multiple antivirus engines with a range of ltering and scanning settings to protect your users from viruses and other malware.
u What this means to you: With Ninja’s antivirus module, you have greater control on how you want to protect your organization against viruses
by having internal, background, and on-demand scanning capabilities available to you. Barracuda Spam Firewall simply o ers a checkbox to turn
AV on or o and can only o er external protection against inbound email threats. No settings controls are available.
Unlike antispam products that lter at the gateway, Ninja has the rst policy-based attachment lter that lters all attachments based on email
direction – inbound, outbound or within the organization. Additionally, it actually looks inside many types of les to determine their true identity, as
opposed to simply relying on le extensions.
u What this means to you: You can set rules based on users and le types that enable you to quarantine potentially harmful content or
attachments by le extension including .doc, .exe, .dll, .pdf, visual basic scripts and more. With Barracuda Spam Firewall, only incoming mail
can be ltered and is done merely by the name of the le extension, not the actual le type. Additionally, attachment ltering settings are
not policy-based and any setting changes can only be applied to all users, and not per user.
Ninja's disclaimer plug-in delivers functionality to include global and user-based disclaimers for all outbound email for Exchange.
u What this means to you: As an administrator, you have the ability to con gure policy-based disclaimers based on speci c users, groups,
domains, or public folders. Ninja also prevents multiple disclaimers when replying or forwarding and enables you to allow users within di erent
departments to add or bypass a disclaimer on a per email basis based on prede ned keywords that are included in the body or subject of the
email. Barracuda Spam Firewall does not o er the ability to control disclaimer settings and only allows for the option to put text at the bottom
of email messages if enabled on the Spam Firewall.
33 N. Garden Ave., Suite 1200, Clearwater, FL 33755 | Tel: 1-888-688-8457 or 727-562-0101 | Fax: 727-562-5199 | www.sunbeltsoftware.com | Email: sales@sunbeltsoftware.com
