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How is the Offline Kerio Outlook Connector different from a native Outlook Exchange connection?

In order to accommodate collaboration between Outlook and Kerio Connect, it is necessary to install the Kerio Outlook Connector. This is a 32 bit program that installs several dynamic-link libraries, which are loaded into Outlook. With this connector, we use a MAPI interface to manipulate Outlook in a way that very closely resembles a native Exchange connection; however, there are some differences that are noted by this article.

Differences in behavior

  • Folder sharing: Although any folder can be shared, the interface and method for folder sharing contains Kerio specific dialogs.
  • Rules: The native rules and alerts can be used on locally stored messages. However, there is a custom Kerio dialog for managing rules on incoming email
  • Synchronization: The Offline Kerio Outlook Connector uses WebDAV protocol, which communicates over secure HTTP.
  • Local cache: The Offline Kerio Outlook Connector does store all data locally, however it is stored in a proprietary SQL database. There is a custom Kerio dialog for managing synchronization settings, as well as a system tray icon to indicate the status of the server connection and synchronization.

Unsupported features

  • Advanced sharing options and delegation: When sharing folders, the security options are limited to 3 permission levels: admin, editor and reader. Separate permissions cannot be set on individual items of a folder, and the ability to send on behalf of another user as a delegate is not possible.
  • Finding related messages: When right clicking on a message, it will not work to choose the option 'Find related messages'.
  • Advanced sorting views: Some specific, non-standard views will not work.
  • Rules on outgoing email: The Kerio-specific dialog for creating mail filter rules does not work on outgoing emails.
  • Voting buttons: In emails with multiple choice questions, Outlook can offer buttons for voting to tally responses.
  • Recalling a message: If a message is sent by mistake, it is possible to locate the item in the Sent Items folder and perform an action to recall the message.

3rd party integration

There are many external programs which manipulate Outlook in various ways. Many of these programs use the MAPI interface, while others are communicating directly with the local Outlook database. Programs which use the local database will not work, as the Kerio Outlook Connector uses a proprietary database. Other plugins may work with mixed results. We do not maintain a list of officially supported MAPI plugins. It is recommended to evaluate any other plugins with the Kerio Outlook Connector to verify that all necessary functionality will work without conflicts. If you identify a conflict, please contact Kerio technical support.

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  1. Joel Eskelsen

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