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Tokyo, Japan, Nov 8, 2005 - (JCN Newswire) - VA Linux Systems Japan K.K. (VA Linux), a leading provider of Linux solutions for the telecommunications and enterprise systems markets, today announced the release of 'SMTPGuard', an Open Source, anti-SPAM software for MTAs, which can eliminate unsolicited e-mails (SPAM) flexibly. SMTPGuard is a part of 'VA FMS', VA Linux's total messaging solution. VA FMS is based on Open Source Software and known for its high reliability, high availability, high performance, and extensibility, which enable VA FMS to support large networks with over 100 million accounts.
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SMTPGuard
is a new anti-SPAM software running on SMTP servers. SMTPGuard collects
information acquired in SMTP sessions such as IP addresses, MAIL FROMs,
RCPT TOs or their patterns and the number of times of appearance.
SMTPGuard then calculates weight points based on user- designated set
of rules, and tells MTAs to perform appropriate actions such as denying
mails, delaying answering sessions, sending warning e- mails to the
administrators and so on. With SMTPGuard, even if SMTP servers are
drowned in a flood of SPAM mails even including virus mails, the
administrators can control the incoming stream by limiting acceptance
of mails sent by specific IP addresses or senders so that the mail
system can operate stably. Weight points and actions in response to
them can be set by users and highly customizable.
SMTPGuard
has already been used on mail systems for Japanese ISPs with over 100
million accounts, and highly acclaimed by their users as an outstanding
anti-SPAM solution. SMTPGuard would be suitable for any enterprises or
network service providers which run large mail servers.
SMTPGuard is released on the FlexGuard Project page at SourceForge.net
(http://sourceforge.net/projects/flexguard/).
The source code, binary package and documents can be obtained from that
page. Also, VA Linux has already done ITP (Intent To Package) and
committed the SMTPGuard package to Debian GNU/Linux, thus Debianized
SMTPGuard package will be available from the official Debian archive
within weeks.
VA Linux expects many feedbacks by releasing its source code to the public, which make SMTPGuard more stable and reliable.
"The
release of SMTPGuard as an OSS this time is basically a sequel to the
release of FlexPOP in June, 2005." said Tetsuya Ueda, President and CEO
of VA Linux in Tokyo. "However, VA Linux has been opening up not only
them but also other components which compose VA FMS. VA Linux's
technological excellence and the firm roots on Open Source will bring
more reliable Open Source-based solution to our customers."
* FlexGuard Project:
http://flexguard.sourceforge.net/
http://sourceforge.net/projects/flexguard
About VA FMS
VA
FMS is an Open Source-based total messaging solution designed to
provide flexible mail solution to a multitude of organizations, all the
way from medium-
sized (such as with tens of thousands accounts) up to large-scale (such as with
over 100 million accounts) network service providers. VA FMS is built on a fine
array of Open Source Software combinations (MTA, POP, IMAP, anti-SPAM measures
and so on) and all of them are skillfully improved and tuned by VA Linux to
supplement missing features and more robustness.
VA
FMS consists of 'FlexMail', a Postfix-based high-performance mail
transfer agent improved by VA Linux, 'FlexPOP', the original POP server
which supports Maildir style, 'FlexIMAP', a Courier-IMAP based IMAP
server especially tuned for large-scale mail system, and the original
SPAM filtering solution for MTA called
'FlexGuard', which is
capable of excluding SPAM mails effectively. These components may fully
utilize VA Linux's other solutions such as the load-balancing solution
'VA Balance', the LDAP directory server solution 'VA Directory', and
the core OS 'VA Core'. Since VA Linux provides the whole mail system
from OS to application, customers can expect rich, source code level
(including Linux kernel) technical support by VA Linux's able experts.
Also,
VA FMS adopts a modular architecture, which means each function for
mail systems (MTA / IMAP / POP / LDAP / NFS and so on) are divided into
independent modules and distributed. This architecture promises
configuration flexibility --
for example, just adding servers or
disks is well enough to improve the system performance as a whole. This
level of modularity makes it easier to cope with large-scale /
high-traffic requests from our demanding customers. Also, all
components which comprise of VA FMS are designed to make full use of
completely replicated servers on which it works, therefore
high-reliability and stability are guaranteed. Besides, various code
improvements and additions for the carrier / enterprise grade help to
accomplish robustness and high- performance.
* VA FMS product page: http://www.valinux.co.jp/en/products/fms/
About VA Linux Systems Japan K.K.
Founded in September 2000, VA Linux Systems Japan K.K. (VA Linux),
which has based its operations on the development of Linux and Open
Source, has become one of the premier providers of Linux kernel,
technological, and software solutions in the Japanese domestic market.
From March 2004 onward, VA Linux has been the recipient of funding from
NTT Comware and NTT Data. VA Linux is currently at the forefront of
implementing Linux solutions for telecommunication and enterprise
system markets. For more information, please visit http://www.valinux.co.jp/en/
Contact:
Takako Iizuka
Public Relations
VA Linux Systems Japan K.K.
phone: +81-3-3293-5151
fax: +81-3-3293-5152
Email: mktg@valinux.co.jp Full Story |
