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[MD1] Rhapsody-based CommuniGate Pro Server

FOR IMMEDIATE RELEASE

Stalker Software Releases a public beta of the
Rhapsody-based CommuniGate Pro Server

Key features: Rhapsody-based, industry-strength,
administration via the Web,
extensive multi-domain support,
unique IMAP multi-mailbox features.

MILL VALLEY, CA – February 12th, 1998 – After the successful launch of the
Stalker Internet Mail Server, Stalker Software releases a public beta
version the CommuniGate(tm) Pro messaging server for the Rhapsody family of
operating environments.

The new, completely redesigned implementation of the CommuniGate integrated
messaging system unifies the performance and standard-compliance of the
Stalker Internet Mail Server with flexibility and powerful features of the
modular CommuniGate System of MacOS.

The CommuniGate Pro is based on the Rhapsody Foundation framework and can
run under all operating systems supported with the Rhapsody “Yellow-box”:
Rhapsody for Power Macintosh(r), Rhapsody for Intel, and the Yellow Box for
Windows(r) NT and Windows 95. The ability to run on all these platforms is
extremely important for todays heterogeneous networks.

The CommuniGate Pro design employs the modern OS techniques, especially
multi- threading. Unlike other servers that use one separate thread to
process a message, messages in the CommuniGate Pro are processed with 4-6
threads on their paths to destinations. For high-volume sites, such as
major ISPs, this means a huge performance benefit, especially for
multi-processor servers. The CommuniGate Pro server is completely SMP
(symmetric multiprocessing) – ready, and can use all CPUs of
multi-processor systems.

The SMTP component of the CommuniGate Pro server incorporates all the anti-
spamming features implemented in the CommuniGate SMTP and Stalker Internet
Mail Server – the set of protection mechanisms far beyond anything
available with other mail servers.

The POP and IMAP components of the CommuniGate Pro server not only support
the latest Internet standards and all not-yet-standardized protocol
extensions, but they also allow for simultaneous symmetric access to
mailboxes. The high performance of IMAP built-in search engine results in
huge benefits for individuals and organizations dealing with
multi-thousand-message mailboxes.

While the server speed, stability and relatively small footprint are the
features that all network administrators are looking for, the CommuniGate
Pro Server delivers one more advanced tool that has been eagerly awaited:
remote administration via Web.

The server can be configured, controlled, and monitored from any computer
on the Internet using any Web browser application. The administrators can
monitor the Server status, and they can create, update and modify user
accounts and mailing lists, check the status of the queued messages, delete
and redirect messages in the queue, update the communication modules
settings, and configure the full-featured built-in CommuniGate Router.

As the CommuniGate system brought the modular architecture to
communications, the CommuniGate Pro brings modularity to the account
serving. Besides the Unix-style mailboxes that can be processed with any
legacy mail application, special modules allow to store messages in
databases, in folder-type mailboxes, and in other types of storage.

Unlike other mail servers that also can store messages in databases using
add- on products, CommuniGate Pro provides access via the standard POP and
IMAP protocols to messages stored in all types of mailboxes – the
integration level most needed in large enterprises.

Additional CommuniGate Pro components will be released soon.

Here is the short list of the major CommuniGate Pro features to illustrate
the unique abilities of the first released beta version:

The server Router can route messages on a per-domain and on a per-account
basis. The Router supports:
* domain-level routing;
* account-level aliasing;
* foreign account aliasing.

CommuniGate Pro can handle accounts for multiple domains. The Multi-Domain
features use the Router and include:
* direct mapping;
* domain-based account name mapping;
* “true multihoming” for systems with multiple IP addresses.

CommuniGate Pro supports dial-up and other client mail servers with
registered or virtual domains:
* For systems with dynamic IP addresses: Unified Domain-Wide
POP Accounts can be created.
* For systems with static IP addresses: SMTP feeds using
RFC1985 (ETRN) are implemented.

The SMTP subsystem has “anti-spam” features. The Server can:
* stop strangers from using the server as a mail relay;
* reject mail from the IP addresses of known offenders;
* verify return-path validity to reject mail from
“unreachable sources”;
* reject mail from certain domains or from certain accounts.
* use DNS-based black-list servers.

The CommuniGate Pro accounts subsystem supports:
* multiple mailboxes per account;
* various types of mailbox organization (text
mailboxes, folders, data bases);
* POP and IMAP access to accounts and mailboxes;
* simultaneous access to a mailbox for several clients;

CommuniGate Pro allows for remote password modifications and new mail
notifications.

As the other Stalker mail servers, the CommuniGate Pro has a centralized
System Log. The Server kernel and all its components generate Log records
of any specified level of detail, simplifying troubleshooting. The Server
Web interface provides real-time access to the Logs.

AVAILABILITY: The beta version of the CommuniGate Pro server is available
free of charge during the beta-testing period. The software is available
for PowerPC- and Intel-based systems running the Rhapsody Developer
Release, and for Intel-based systems running Windows 95 and Windows NT with
Apple Yellow Box software.

The CommuniGate Pro beta release can be downloaded from:
(http://www.stalker.com/CommuniGatePro/),
(ftp://ftp.stalker.com/CommuniGatePro/) and from Stalker mirror sites
overseas.

DOCUMENTATION: the entire CommuniGate Pro System Guide can be used via the
Internet at (http://www.stalker.com/CommuniGate Pro/), and it can be
downloaded for local use from the same site.

SUPPORT: Stalker has opened the (cgatepro@stalker.com) mailing list for
beta- testers, any message sent to (cgatepro-on@stalker.com) can be used to
subscribe.

The commercial version will be released at the same time as the commercial
version of the Rhapsody and Yellow Box environment.

Stalker Software, Inc. develops and distributes networking and
communication software for the MacOS. The company was founded in Europe in
1991 and opened its U.S. offices in 1993 at 655 Redwood Highway, suite 275,
Mill Valley, Calif. 94941. For more information about Stalker Software and
its products, please contact Alice Liptrot, director of sales and
marketing, at (800) 262- 4722 or (415) 383-7164. She can also be contacted
by fax at (415) 383-7461 or E-mail at (ali@stalker.com). Visit the Stalker
Software web site at (http:// www.stalker.com).

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