Patent for spam protection by Challenge Response

Rottweil/ Germany (ots) - SfbIT, the manufacturer of REDDOXX
Spamfinder appliances, has received patent protection for the CISS
technology from the German Patent and Trademark Office (Deutsches
Patent- und Markenamt). The Confirmation Interactive Site Server
method for spam protection uses a user-friendly graphic procedure
with three mouse clicks to identify human e-mail senders. A spam
robot is not able to overcome the sender test.

The CeBIT press conference held by SfbIT GmbH on March 9 at 10 AM
in Hannover, Germany, will provide information on the patented CISS
technology, the application of CISS at Schwartauer Werke, the new
umbrella brand, the REDDOXX Spamfinder products and the European
market strategy.

CISS is integrated in all REDDOXX Spamfinder appliances and can be
activated for single mail users, departments heavily attacked by spam
or complete companies.

Challenge response measures provide nearly 100 percent protection
against spam and reduce the danger of filtering out the wrong mails,
so-called false positives, to zero. For this reason, the Internet
Engineering Task Force (IETF) committee concerned with the technical
further development of the Internet is also examining these sender
tests and recommends them as a future method for battling spam.

CISS is already being used by many Spamfinder users. In practice,
this technology offers major advantages over other challenge
responses:

- One-time authorization suffices: E-mails from CISS-confirmed
senders obtain priority delivery.
- User-friendly through three clicks: in contrast to the common
digit or word entries used by CAPTCHAS, the CISS graphics are
easier and faster.
- Automatic language recognition: CISS automatically detects the
sender's language to answer e-mails correctly using the 16 most
common business languages.
- Simple installation and operation: The CISS transaction server
provides a number of raster graphics, where the pattern can be
chosen and can be adapted to brand and corporate designs.
- Compliance with legal standards: The e-mail to be delivered
remains on the recipient's appliance, unlike with many ASP
solutions. The CISS sender authorization runs on a separate
server. The requester of the challenge response is clearly
recognizable as the intended mail recipient through the design
of the CISS website with specific brand or corporate
information.
- Bounces are avoided: Before sending the CISS response, the
existence of the sender is verified by a sender-receive check to
avoid collateral spam to spoofed addresses.
- Legitimate mailing lists and desired mass mailings are still
possible: REDDOXX Spamfinder users can sign up for a mailing
list by performing a two-click white listing. In this way, the
sender's domain is activated for priority delivery.

SfbIT GmbH is offering the three REDDOXX Spamfinder appliances
Basic, SMB and Medium under the new brand REDDOXX as of March 2006.
Products for archiving e-mails are to supplement the REDDOXX product
range.

A graphic how the REDDOXX Spamfinder CISS Technology works can be
download at www.reddoxx.com .

Further information:

- "Neuer Anlauf der IETF gegen Spam" (New attempt of the IETF to
battle spam) report at
http://www.heise.de/newsticker/meldung/62500 .
- Patent No. 102004058277 was issued by the Deutsches Patent und
Markenamt (German Patent and Trademark Office) on January 24,
2006.

REDDOXX and REDDOXX Spamfinder are trademarks of SfbIT GmbH.

REDDOXX e-mail management solutions are developed, manufactured
and sold throughout Europe by SfbIT GmbH in Rottweil. The company was
established in 2005 under the name SfbIT GmbH - Solutions for better
IT. It offers comprehensive solutions for protecting the security and
archiving corporate e-mail correspondence. The SfbIT GmbH is a
subsidiary of the world-wide leading manufacturer of tape autoloaders
and appliances BDT-Solutions GmbH and the network and mail security
specialists die netzwerker Computernetze GmbH. REDDOXX Spamfinders
are unique in that they eliminate e-mails sent by spam robots using
the patented CISS technology. REDDOXX MailDepot appliances offer
small and medium-sized enterprises competitive advantages and legal
security through long-term archiving of e-mails. www.reddoxx.com .

Originaltext: SfbIT GmbH
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Pressekontakt:
Ms Birgit Götz und Mr Christian Josephi
SfbIT Press Information Office
Panama PR GmbH
Eugensplatz 1, D-70184 Stuttgart
Telephone +49 (0) 711 / 7269-015
E-Mail pr@sfbit.com