Format of Da Vinci eMail message header buffer:
Offset	Size	Description	)
 00h 30 BYTEs	subject line
 1Eh 24 BYTEs	To
 36h 24 BYTEs	From
 4Eh	DWORD	Time
		BYTE	00h
		BYTE	hour
		BYTE	minute
		BYTE	second
 52h	DWORD	Date
		BYTE	00h
		BYTE	year
		BYTE	month
		BYTE	day
 56h	DWORD	serial number (00000000h)
 5Ah	WORD	mail types (see #03986)
 5Ch	WORD	special types (0)