INT 16 - Shamrock Software EMAIL - GET STATUS

	AX = 4500h
	DL = port number (01h = COM1)
	ES:BX -> 13-byte buffer for ASCIZ 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