When configuring per-server segmentation, the settings are applied for all user’s with mailboxes hosted on the Exchange server.  To enable segmentation per-server, Open the registry editor... >> MORE INFORMATION

Pasting images into messages is not an OWA feature.  There are two workarounds to getting images into your message:You can paste HTML links to images, but this means that the image needs to be... >> MORE INFORMATION

OWA on MAC browsers may cache OWA content since the last refresh, as a result, new mail arriving in the Inbox may not show the content in the preview pane until the Inbox is refreshed. For more... >> MORE INFORMATION

When viewing an OWA attachment on a client machine, a copy gets saved in the cache of that machine. If this computer is shared or a public terminal, (such as a kiosk, library etc) the attachment can... >> MORE INFORMATION

When users login to OWA they may see the content of the last accessed folder as their Inbox content, this may cause confusion for the users.  A workaround allows the Inbox folder to be set as the... >> MORE INFORMATION

To set OWA as the default mail client, you need to use a third party add-on, such as ActiveSend from Messageware (www.messageware.com).  ActiveSend gives users the ability to set OWA as the default... >> MORE INFORMATION

The below Microsoft article describes how to permit OWA users search address books based on multiple organizational units or specific address lists, rather than being restricted to just their... >> MORE INFORMATION

To access Public Folders on Exchange 5.5, a Connection Agreement must be made with the Exchange 2000 computer and the Exchange Server 5.5 public folders must be replicated to the Exchange 2000... >> MORE INFORMATION

Write mailbox folder access is not supported in OWA.  Instead, full mailbox access must be given to a user to access and manage content in other user’s mailboxes.For more information refer to... >> MORE INFORMATION

Using ADSIEdit Administrators can edit the msExchQueryBaseDN attribute to restrict users to either viewing either a) A limited Global Address List that consists of users in the same Active Directory... >> MORE INFORMATION

Summary: This article, by ISA Firewall specialist Thomas Shinder, explains that earlier versions of ISA Firewall (2000 and 2004) included navigation protection.  Navigation protection ensures that if a user goes to another website, such as Google, without logging off OWA, ISA automatically logs the user off.  With navigation protection, administrators can rest assured that users are not leaving active OWA sessions behind.

ISA Firewall 2006 no longer includes navigation protection.  This is explained in more detail in an ISA Security report published by Messageware Incorporated (ISA Security Report: OWA Security Issues Undetected by ISA Server) referenced in Thomas Shinder’s article.

To read the full article, go to:
http://blogs.isaserver.org/shinder/2007/07/19/isa-firewall-auto-log-off-controls-can-be-a-security-issue-for-owa-publishing/

Summary: The article gives an overview of an OWA attachment solution called AttachView by Messageware, which lets users safely view a wide array of attachments without ever downloading the file to the local computer.  AttachView offers users secure access to attachments via an enhanced viewing window with features such as: view Microsoft Word Track Changes revisions, a hyperlinked table of contents, printer-friendly version, rotate and zoom buttons.

Administrators can set rules giving users access to users to open, save and print attachments based on criteria such as IP address, username, hostname and if they are connecting from a corporate device.

To view the full article, go to http://searchexchange.techtarget.com/tip/0,289483,sid43_gci1310616,00.html

Summary: This article walks step by step through the process of securing OWA 2000 using SSL. Includes helpful screenshots and links to more articles on OWA 2000.
http://www.msexchange.org/tutorials/MF004.html