
PGP Corporation Compatibility Status with Microsoft Exchange Server 2007
PGP Corporation is pleased to announce compatibility with Microsoft's new Exchange Server 2007. PGP
Universal Satellite 2.6 introduced support for Microsoft Exchange Server 2007 and Microsoft Office 2007.
When used with Internet-standard PGP/MIME (RFC 3156) messages, full message fidelity is preserved for all
secured messages.
With Exchange Server 2007, Microsoft has introduced a change in functionality that converts all messages to
its internal MAPI format immediately upon processing, unlike previous versions of Exchange that supported
the MIME standard for email. Exchange Server 2007, when both sending and receiving via non-MAPI clients,
destroys MIME structures in email. However, PGP/MIME-encoded messages are fully compatible with this
Microsoft transition even when MAPI is not in use. All messages sent between PGP Corporation's MAPI
clients are also fully compatible.
Please note that messages encoded using the legacy "PGP Partitioned" format may not always display HTML
message content properly, and foreign character sets in such messages may not reproduce correctly when
processed through Exchange Server 2007. If such messages are processed from non-MAPI clients, the server
may delete some encrypted HTML body parts and remove non-ASCII character set information, thus resulting
in messages that do not preserve full fidelity. If your organization currently uses the legacy PGP Partitioned
encoding with non-MAPI clients, PGP Corporation recommends not upgrading to Exchange Server 2007 at
this time. PGP Corporation is working with Microsoft to seek additional solutions for compatibility between
Exchange Server and the MIME standard.
PGP Corporation will update the Support Knowledge Base Article #713 (https://support.pgp.com/?faq=713)
(as more information becomes available).
System Requirements
y Windows Vista (32- and 64-bit editions), Windows XP (Service Pack 2 or 3), Windows Server 2003
(Service Pack 1), Windows 2000 (Service Pack 4)
Note: The above operating systems are supported only when all of the latest hot fixes and security
patches from Microsoft have been applied.
y 512 MB of RAM
y 64 MB hard disk space
y Internet Explorer 6 or greater
Functional Requirements
PGP Universal Satellite requires interaction with a PGP Universal Server. You must be one of the following
types of users for PGP Universal Satellite to function:
y A user internal to an organization that has deployed PGP Universal Server. You must have
connectivity to the server on port 443 (https) and use one of the supported email clients.
y A user external to an organization's PGP Universal Server. You must have connectivity to the server
on port 443 (https).
Compatible Email Client Software
PGP Universal Satellite for Windows will, in many cases, work with Internet-standards-based email clients
other than those listed here. PGP Corporation, however, does not support the use of other clients.
PGP Universal Satellite for Windows has been tested with the following email clients:
y Microsoft Outlook 2007 SP1 (Outlook 12)
y Microsoft Outlook 2003 SP3
y Microsoft Outlook XP SP3
y Microsoft Outlook 2000 SP3
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