INT 92 - Da Vinci eMail Dispatcher - "NetWrite"
	AX = E108h
	BX = size of parameter block in words (0004h)
	CX:DX -> parameter block (see #03983)
Return: AX = amount written
Desc:	This function is used to write transactions to the dispatcher.
	  The command block is written first and then another call is used
	  to write the associated data.
SeeAlso: AX=E106h


Format of Da Vinci eMail "NetWrite" parameter block:
Offset	Size	Description	(Table 03983)
 00h	WORD	buffer count (see #03985)
 02h	WORD	segment of command buffer (see #03984)
 04h	WORD	offset of command buffer
 06h	WORD	handle from NetOpen


Format of Da Vinci eMail command buffer:
Offset	Size	Description	(Table 03984)
 00h	BYTE	command
		21h '!' Protocol commands for remote control
		41h 'A' Authorization protocol element
		42h 'B' Return(back) routing information
		    Associated data is the From: username
		43h 'C' Carbon Copy list
		    Associated data is a comma delimitted list of usernames
		44h 'D' Distribution list
		    Associated data is a comma delimitted list of usernames
		45h 'E' Mail end marker
		    No associated data
		48h 'H' Mail message header
		    Associated data is a message header buffer
		4Dh 'M' Mail message
		    Associated data is the body of the message
		4Fh 'O' Object
		50h 'P' Paperclip attachment
		52h 'R' Routing information
		    Associated data is the To: username
		53h 'S' Subject
		    Associated data is the subject of the message
		54h 'T' Trail of Reply/Forwards
 01h	BYTE	subcommand
 02h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	length of associated data


Format of Da Vinci eMail message header buffer:
Offset	Size	Description	(Table 03985)
 00h 30 BYTEs	subject line
 1Eh 24 BYTEs	To
 36h 24 BYTEs	From
 4Eh	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	Time
		BYTE	00h
		BYTE	hour
		BYTE	minute
		BYTE	second
 52h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	Date
		BYTE	00h
		BYTE	year
		BYTE	month
		BYTE	day
 56h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	serial number (00000000h)
 5Ah	WORD	mail types (see #03986)
 5Ch	WORD	special types (0)


Bitfields for Da Vinci eMail mail types:
Bit(s)	Description	(Table 03986)
 7	blind carbon copy
 6	carbon copy
 5	priority
 4	confidential
 3	certified
 2	bulk
 1-0	class (first, second, third, bulk)