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Hi , Currently I am working on decoding MAPI protocol (Messaging
API) and I am new to this. What I am look out for is some sort of reference
which will help me identify the fields inside a MAPI packet( Preferably the
data packet which transmits the data once an e-mail is sent). From the packet
trace for the same I can see the subject, mail data , to , cc and bcc fields
even though some sort of encoding is used. But from the trace I could not
identify how the start and end of these fields are coded. I am using Observer
11.1 packet analyzer tool. Although for some MAPI packets it (observer) is able
to identify the MAPI object within the payload, but for many packets (including
the mail data packet), it cannot and it is simply classifying the payload as “Frame
Padding”. So my query is ; - “ Is there any bits/bytes in the MAPI packet that
could provide/identify the start of different fields?” - “ Is there any general packet format/structure that
MAPI is using to send mail-data?” Any useful information will be of great help. Thanks and regards, Sajish P.P. |