PR_IPM_ID 

The PR_IPM_ID property was originally meant to contain an X.400 identifier of an interpersonal message.

Quick Info

Header file:

MAPITAGS.H

Identifier:

0x0018

Property type:

PT_BINARY

Property tag:

0x00180102

 

Remarks

Do not use this property. It is not supported in MAPI 1.0.