For those of you looking for the format of the QWK mail packets I have
put this file together.

Offset	length		Description
------	------		----------------------------------------------
1	1		Message status flag
			' ' public
			'-' public and read
			'+' private
			'*' private and read
2	7		Message Number (as characters)
9	8		Date (mm-dd-yy)
17	5		Time (hh:mm)
22	25		To
47	25		From
72	25		Subject
97	12		password 
109	8		refer to Number
117	6		Number of 128 byte blocks in message (including
			the header)
123	1		Killed Message? 225 is active, 226 is active
124	1		Conference number (0-255)
125	4		Not used


The NDX files are:

Offset	length		Description
------	------		-----------------------------------------
1	4		Record number to point to corresponding
			message
5	1		Conference number.


This info can be used to develop a mail reader program.  A good
exercise in programming.