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MS Office Forum / Outlook / Interop / November 2003Message Id
Hello, I would like to retrieve for each mail a unique identifier, like the SMTP Message Id. The only id i have found is the EntryId (in the Outlook.Message interface) but it changes every time the mail is moved across folders :( Does someone know how to get a really unique (and permanent) identifier for the mail messages ?? Thanks, Mikael You can try to access PR_SEARCH_KEY Extended MAPI property, but it is only possible when using Extended MAPI/CDO 1.21/Redemption, but not Outlook Object Model. Or you can add your own custom property to the message instead (MailItem.UserProperties.Add). Dmitry Streblechenko (MVP) http://www.dimastr.com/ OutlookSpy - Outlook, CDO and MAPI Developer Tool > Hello, > [quoted text clipped - 11 lines] > > Mikael It is not possible to access the smtp id displayed in message headers ?? Actually, I would like to retrieve this identifier... Thanks, Mikael > You can try to access PR_SEARCH_KEY Extended MAPI property, but it is only > possible when using Extended MAPI/CDO 1.21/Redemption, but not Outlook [quoted text clipped - 22 lines] > > > > Mikael Yes, with Extended MAPI/CDO 1.21/Redemption, but not with Outlook Object Model. The property you need is PR_TRANSPORT_MESSAGE_HEADERS (all headers) or PR_INTERNET_MESSAGE_ID (just the message id). Note that these properties are only present if a message was received from the internet (SMTP). Unsent messages or messages received within an Exchange 5.5 server will not have them. Dmitry Streblechenko (MVP) http://www.dimastr.com/ OutlookSpy - Outlook, CDO and MAPI Developer Tool > It is not possible to access the smtp id displayed in message headers ?? > [quoted text clipped - 30 lines] > > > > > > Mikael |
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