INT 16 - Shamrock Software EMAIL - GET STATUS                                   
	AX = 4500h
	DL = port number (01h = COM1)
	ES:BX -> 13-byte buffer for ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. name
Return: AX = 4D00h if EMAIL installed on specified port
	    ES:BX -> "" if no connection
		  -> "*" if connection but caller has not identified name
		  -> name otherwise
	    CX = version (CH = major, CL = minor)
	    DL = privilege level of user (00h = guest)
	    DH = chosen language (00h German, 01h English)
SeeAlso: AX=4501h,AX=4502h