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Complete coverage of the spam problem and how best to get rid of it without
interfering with your regular email delivery.
The Spam Solutions White Paper covers three excellent solutions in
spam filters, spam blockers, and spam appliances.
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Get going with your anti-spam solution today.
A spam filter tags incoming spam based on its
internal rules and places it into a junk mail folder for each user
or, in a corporate solution, deletes known spam and places suspect
mail in a folder that can be searched for false positives.
The spam analysis rules can usually be influenced by the individual
or company employing this solution.
Three popular spam filters are available from:
• Surf Control
• Cloudmark Authority
Organizations are exposed to risk each time an
employee sends or receives an e-mail. Surf Control targets both
email and web content and source, all e-mail - incoming,
outgoing and internal.
Those risks can include:
• Viruses in e-mail attachments
• Productivity and bandwidth losses from spam
• Leakage of confidential information
• Lawsuits in response to offensive content
E-mail Filtering lets you automatically and intelligently manage
the threats in e-mail as defined by your policy. By managing
e-mail traffic, the risks to productivity, network resources,
legal liability and security can be significantly reduced.
Content Range and Customization
User-customizable dictionaries pre-populated with keywords and
phrases found in risk e-mail - covers 16 categories ranging from
"adult" to "finance". It also supports Boolean language
Viruses and malicious code are serious and constant threats that
plague all organizations. Viruses can run rampant through an
e-mail network and a successful attack can cost an organization
a great deal in lost network resources and user productivity.
Surf Control’s anti-virus agent used in conjunction with
SurfControl E-mail Filter provides complete e-mail security
Protect your company from spam and junk e-mails such as chain
letters, jokes, image files and screen savers that can clog your
network and decrease your employee productivity. Anti-spam
Agent’s unique digital signature filtering ensures accuracy and
efficiency thus reducing time and resources in reviewing false
triggers and provides scaling performance. The single click
configuration saves your time and resources.
Adaptive Reasoning Technology
Objectionable content can emerge overnight - putting your
organization at risk. To prevent this, Surf Control's Adaptive
Reasoning Technology dynamically updates your filtering tools as
new content appears. Here's how:
Virtual Learning Agent is a unique adaptive reasoning technology
that uses neural networks to filter spam mail and protect from
other email risks - like confidential loss. The VLA can also be
used as a content development tool to be trained on a repository
of your organization's confidential data to build an extremely
accurate neural network.
Virtual Image Agent - Reduce potential legal liabilities by
filtering out inappropriate adult images from your e-mail
network. Using intelligent scanning technology, the VIA's
sensitivity settings enable filtering based on your standards.
Precise, detailed, fully customizable and easy to use and
understand. Remote capabilities, too!
Flexible, Easy to Use Rule Criteria
Apply any e-mail usage criteria: content type, file type,
bandwidth allocated, time-of-day, time spent online, groups or
employees affected - it's up to you!
More information is available at
Cloudmark Authority is easy to install, nearly
transparent in operation, and requires only occasional updates.
Authority plugs into existing email hardware and software and
seamlessly integrates with your existing email system. It
requires no additional hardware, firewall configurations, costly
professional services, or constant tweaking and updating like
other spam fighting products.
Authority runs in memory and its lean runtime requirements only
impact MTA performance by 5-10%, making it far and away the
performance leader when compared to the usual impact of 40+%
that competing applications consume, along with their needs for
additional hardware and support.
Operationally, Authority is simple: it receives a stream of SMTP
messages from an SMTP source, analyzes the messages and assigns
each message a confidence level, applies an action to the
message based on the confidence value, and then returns the
filtered stream back to the same SMTP source.
To eradicate spam in a cost-effective way and in accordance with
corporate policies, requires a server-based solution that
intercepts spam at the corporate gateway, preventing it from
entering the corporate email system.
An appropriate server-based enterprise anti-spam solution must
be scalable, capable of processing a high volume of incoming
email without impeding its velocity. Migrating rules-based email
filtering from the desktop to the enterprise network is
inconsistent with these essential requirements.
Cloudmark Authority introduces the first-ever automated process
of capturing, analyzing, and predicting spam to generate
powerful spamDNA. Drawing on the advanced biotechnology
techniques used to map the human genome, Authority's
breakthrough third-generation Genetic Classification technology
stops spam at the gateway for large enterprises.
Easily implemented, Cloudmark Authority installs into the
existing network infrastructure, requires no investment in
additional hardware, operates inside the corporate firewall, and
preserves email and network security.
Designed to handle high-volumes of email, Authority requires
minimal administrative intervention and quickly pays for itself
in restored employee productivity and reduced network traffic.
• highly scalable software
• unparalleled accuracy
• low cost of ownership
• customizable mail-handling policies
• rich end-user management
Instead of depending on this near-continuous stream of updates,
Authority only requires updating about once a month. Updating
the spamDNA file, called a "cartridge," couldn't be simpler:
• Windows - The spamDNA cartridge is a single .dll (dynamic link
library) file of about 450 Kbytes. The new cartridge is
installed as an update of the previous cartridge without taking
Authority out of service.
• Linux, Solaris - The spamDNA cartridge is a single .so (shared
object) file of about 450 Kbytes. The new cartridge overwrites
the previous cartridge without taking Authority out of service.
Authority is a highly cost effective solution, especially for
deployment in large organizations. Authority is typically
deployed in companies with greater than 1,000 mailboxes and is
priced as such.
More information is available at
GFI Mail Essentials
GFI MailEssentials offers spam protection at
server level and eliminates the need to install and update
anti-spam software on each desktop.
GFI MailEssentials offers a fast set-up and a high spam
detection rate using Bayesian analysis and other methods – no
configuration required, very low false positives through its
automatic whitelist, and the ability to automatically adapt to
your email environment to constantly tune and improve spam
detection. GFI MailEssentials will eliminate over 98% of the
spam from your network.
In addition to anti-spam, GFI MailEssentials adds key email
tools to your mail server: disclaimers, mail archiving and
monitoring, Internet mail reporting, server-based auto replies
and POP3 downloading.
GFI MailEssentials is the market-leading server-based spam
solution. More than 20,000 companies worldwide use GFI
MailEssentials to protect their mail servers from spam.
GFI MailEssentials is server-based and installs on the mail
server or at the gateway, eliminating the deployment and
administration hassle of desktop-based anti-spam products.
Desktop-based anti-spam involves training your users to create
anti-spam rules sets, and subsequently users have to spend time
updating these rules. Besides, this system does not prevent your
server message stores from filling up with spam.
Bayesian filtering technology
GFI MailEssentials features Bayesian filtering technology to
detect spam based on message content. Rather than just checking
for keywords, GFI's Bayesian filter takes the whole message into
consideration as well as the content of valid emails that you
send (known as 'ham').
This gives it a tremendous advantage over other anti-spam
solutions that only take spam into account. Bayesian filters are
widely acclaimed to be the best way to tackle spam because they
use statistical intelligence to analyze the content of the mail.
Downloads updates to spam profile database
GFI MailEssentials can download updates to the Bayesian spam
profile database from the GFI site, ensuring that it recognizes
the latest spam and spamming techniques. GFI maintains the spam
profile database by working with a number of spam collection
organizations that continually supply spam samples.
Sort spam to users' junk mail folders
GFI MailEssentials gives you the flexibility to choose what to
do with spam. You can delete it, move it to a folder, forward
the spam mail to a public email address or folder, or send it to
individual customizable folders (for example, a “junk mail”
folder) in the end-users’ inboxes. This allows users to easily
review mail that has been flagged as spam.
3rd party DNS blacklists (DNSBL) checking
GFI MailEssentials supports third party DNS blacklists (real
time black hole lists), which are databases of known spammers.
If the sending mail server is on one of those lists, GFI
MailEssentials marks the email as spam. GFI MailEssentials
supports popular third party blacklists such as ORDB, SpamHaus,
Spamcop or RBL. GFI also supports custom blacklists.
Block foreign language spam
GFI MailEssentials can block mail that uses particular character
sets. For example, you can greatly reduce spam simply by
blocking all mails written in Japanese, Russian, Korean, etc.
Automatic whitelist management reduces false positives
Whitelists enable you to ensure that mail from particular
senders or domains are never flagged as spam, permitting more
stringent anti-spam rules. GFI MailEssentials includes a
patented automatic whitelist management tool, which
automatically adds all business partners to your whitelist. This
greatly reduces false positives, without any need for additional
Fake non-delivery reports (NDRs)
GFI MailEssentials bounces spam back to the sender with a false
non-delivery report. This NDR leads them to believe that your
address is invalid, and gets your organization’s addresses off
Company-wide disclaimer/footer/header text
GFI MailEssentials enables you to add disclaimers to the top or
bottom of an email. Text and HTML formats are supported. You can
include fields/variables to personalize the disclaimer. You can
also create multiple disclaimers and associate them with a user,
group or domain.
Mail archiving to a database
GFI MailEssentials allows you to archive all inbound and
outbound Internet mail. This enables you to keep a back-up of
all email communications and easily search for a required
message. This also allows you to comply with SEC and other
regulations that require you to archive email correspondence.
Reports on spam filtering and mail usage
The GFI MailEssentials reporter creates advanced reports on your
inbound and outbound email. You can report on how much spam you
filtered and what rules caught most spam. You can generate
reports on user, domain and mail server usage.
The mail monitoring feature enables you to keep a central store
of the email communications of a particular person or
department. Because you can configure the mail to be copied to
an email address, all email can be stored in an Exchange or
Outlook store, so that you can easily search for email or
Personalized server-based auto replies with tracking number
With server-based, personalized replies, you can advise your
customers that their message has been received and who will
handle it. GFI MailEssentials assigns a tracking number to each
reply and can also include attachments.
GFI MailEssentials includes a utility that can download mail
from POP3 mailboxes. It supports both single and multiple
recipient POP3 accounts.
Seamless integration with Exchange Server 2000/2003 & 5.5
GFI MailEssentials integrates seamlessly with Microsoft Exchange
2000/2003: It installs on the Exchange SMTP service and does not
require gateway configuration. Via the SMTP protocol, it also
works with Exchange 5.5, Lotus Notes and other popular SMTP/POP3
More information is available at
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