Microsoft KB Archive/168889

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OL97: Cannot Programmatically Sign or Seal a Mail Message

Article ID: 168889

Article Last Modified on 10/22/2007


  • Microsoft Outlook 97 Standard Edition
  • Microsoft Exchange Server 2003 Standard Edition

This article was previously published under Q168889


There is no way to programmatically "sign" or "seal" a mail message using Microsoft Outlook 97 or any Microsoft messaging programming interfaces.


Messaging Application Programming Interface (MAPI) mail messages have two properties, Encrypted and Signed, but you cannot access these properties using MAPI, Active Messaging, or Outlook object models.

This functionality is not a feature of Outlook's object model or the MAPI.Session object, which is available to facilitate MAPI messaging programming.

Additional query words: OutSol OutSol97 vbscript automation

Keywords: kbcode kbprogramming KB168889