KC Lemson

By KC Lemson [MS]


View raw MIME of messages in Outlook 2003

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If you use Outlook 2003 with a POP or IMAP account, you can tell Outlook to store the entire MIME source of the item when downloading. The MIME can then be viewed via the View | Options menu on the item (the full MIME will be located in the "Internet Headers" field).

To enable this feature, set the following registry parameter:

Parameter: SaveAllMIMENotJustHeaders
Data Value: 0x00000001

  • But what about on old mail? This only work on newly downloaded mail after the flag has been set.