attMessageStatus

MAPI message flags are mapped to Microsoft Mail 3.1 values to preserve backward compatability. All the flags are grouped together and encoded in a single byte. The mappings are as follows:

MAPI message flags

TNEF flags

MSGFLAG_READ

fmsRead

MSGFLAG_UNMODIFED

~fmsModified

MSGFLAG_SUBMIT

fmsSubmitted

MSGFLAG_HASATTACH

fmsHasAttach

MSGFLAG_UNSENT

fmsLocal

 

These flags are defined in the TNEF.H header file.