hacking

	==Phrack Inc.==

	Volume Three, Issue 28, File #4 of 12

	Network Miscellany
	~~~~~~~~~~~~~~~~~~
	by Taran King

	June 1, 1989


	ACSNET
	~~~~~~
	Australian Computer Science Network (ACSNET), also known as Oz,
	has its gateway through the CSNET node munnari.oz.au and if you
	cannot directly mail to the .oz.au domain, try either
	username%munnari.oz.au@UUNET.UU.NET or
	munnari!username@UUNET.UU.NET.

	AT&T MAIL
	~~~~~~~~~
	AT&T Mail is a mailing service of AT&T, probably what you might
	call it's MCI-Mail equivalent. It is available on the UUCP
	network as node name attmail but I've had problems having mail
	get through. Apparently, it does cost money to mail to this
	service and the surrounding nodes are not willing to pick up the
	tab for the ingoing mail, or at least, this has seemingly been
	the case thus far. I believe, though, that perhaps routing to
	att!attmail!user would work.

	AT&T recently announced six new X.400 interconnections between
	AT&T Mail and electronic mail services in the U.S., Korea,
	Sweden, Australia, and Finland. In the U.S., AT&T Mail is now
	interconnected with Telenet Communications Corporation's service,
	Telemail, allowing users of both services to exchange messages
	easily. With the addition of these interconnections, the AT&T
	Mail Gateway 400 Service allows AT&T Mail subscribers to exchange
	messages with users of the following electronic messaging
	systems:

	Company E-Mail Name* Country
	------- ------------ -------
	TeleDelta TeDe 400 Sweden
	OTC MPS400 Australia
	Telecom-Canada Envoy100 Canada
	DACOM DACOM MHS Korea
	P&T-Tele MailNet 400 Finland
	Helsinki Telephone Co. ELISA Finland
	Dialcom Dialcom USA
	Telenet Telemail USA
	KDD Messavia Japan
	Transpac ATLAS400 France

	The interconnections are based on the X.400 standard, a set of
	guidelines for the format, delivery and receipt of electronic
	messages recommended by an international standards committee the
	CCITT. International X.400 messages incur a surcharge. They
	are:

	To Canada:
	Per note: $.05
	Per message unit: $.10

	To other international locations:
	Per note: $.20
	Per message unit: $.50

	There is no surcharge for X.400 messages within the U.S. The
	following are contacts to speak with about mailing through these
	mentioned networks. Other questions can be directed through AT&T
	Mail's toll-free number, 1-800-624-5672.

	MHS Gateway: mhs!atlas MHS Gateway: mhs!dacom
	Administrator: Bernard Tardieu Administrator: Bob Nicholson
	Transpac AT&T
	Phone: 3399283203 Morristown, NJ 07960
	Phone: +1 201 644 1838

	MHS Gateway: mhs!dialcom MHS Gateway: mhs!elisa
	Administrator: Mr. Laraman Administrator: Ulla Karajalainen
	Dialcom Nokia Data
	South Plainfield, NJ 07080 Phone: 01135804371
	Phone: +1 441 493 3843

	MHS Gateway: mhs!envoy MHS Gateway: mhs!kdd
	Administrator: Kin C. Ma Administrator: Shigeo Lwase
	Telecom Canada Kokusai Denshin Denwa CO.
	Phone: +1 613 567 7584 Phone: 8133477419

	MHS Gateway: mhs!mailnet MHS Gateway: mhs!otc
	Administrator: Kari Aakala Administrator: Gary W. Krumbine
	Gen Directorate Of Post & AT&T Information Systems
	Phone: 35806921730 Lincroft, NJ 07738
	Phone: +1 201 576 2658

	MHS Gateway: mhs!telemail MHS Gateway: mhs
	Administrator: Jim Kelsay Administrator: AT&T Mail MHS
	GTE Telenet Comm Corp Gateway
	Reston, VA 22096 AT&T
	Phone: +1 703 689 6034 Lincroft, NJ 08838
	Phone: +1 800 624 5672

	CMR
	~~~
	Previously known as Intermail, the Commercial Mail Relay (CMR)
	Service is a mail relay service between the Internet and three
	commercial electronic mail systems: US Sprint/Telenet, MCI-Mail,
	and DIALCOM systems (i.e. Compmail, NSFMAIL, and USDA-MAIL).

	An important note: The only requirement for using this mail
	gateway is that the work conducted must be DARPA sponsored
	research and other approved government business. Basically, this
	means that unless you've got some government-related business,
	you're not supposed to be using this gateway. Regardless, it
	would be very difficult for them to screen everything that goes
	through their gateway. Before I understood the requirements of
	this gateway, I was sending to a user of MCI-Mail and was not
	contacted about any problems with that communication.
	Unfortunately, I mistyped the MCI-Mail address on one of the
	letters and that letter ended up getting read by system
	administrators who then informed me that I was not to be using
	that system, as well as the fact that they would like to bill me
	for using it. That was an interesting thought on their part
	anyway, but do note that using this service does incur charges.

	The CMR mailbox address in each system corresponds to the label:

	Telemail: [Intermail/USCISI]TELEMAIL/USA
	MCI-Mail: Intermail or 107-8239
	CompMail: Intermail or CMP0817
	NSF-Mail: Intermail or NSF153
	USDA-Mail: Intermail or AGS9999

	Addressing examples for each e-mail system are as follows:

	MCIMAIL:
	123-4567 seven digit address
	Everett T. Bowens person's name (must be unique!)

	COMPMAIL:
	CMP0123 three letters followed by three or four digits
	S.Cooper initial, then "." and then last name
	134:CMP0123 domain, then ":" and then combination system and
	account number

	NSFMAIL:
	NSF0123 three letters followed by three or four digits
	A.Phillips initial, then "." and then last name
	157:NSF0123 domain, then ":" and then combination system and
	account number

	USDAMAIL:
	AGS0123 three letters followed by three or four digits
	P.Shifter initial, then "." and then last name
	157:AGS0123 domain, then ":" and then combination system and
	account number

	TELEMAIL:
	BARNOC user (directly on Telemail)
	BARNOC/LODH user/organization (directly on Telemail)
	[BARNOC/LODH]TELEMAIL/USA
	[user/organization]system branch/country

	The following are other Telenet system branches/countries that
	can be mailed to:

	TELEMAIL/USA NASAMAIL/USA MAIL/USA TELEMEMO/AUSTRALIA
	TELECOM/CANADA TOMMAIL/CHILE TMAILUK/GB ITALMAIL/ITALY
	ATI/JAPAN PIPMAIL/ROC DGC/USA FAAMAIL/USA
	GSFC/USA GTEMAIL/USA TM11/USA TNET.TELEMAIL/USA
	USDA/USA

	Note: OMNET's ScienceNet is on the Telenet system MAIL/USA and to mail to
	it, the format would be [A.MAILBOX/OMNET]MAIL/USA. The following are available
	subdivisions of OMNET:

	AIR Atmospheric Sciences
	EARTH Solid Earth Sciences
	LIFE Life Sciences
	OCEAN Ocean Sciences
	POLAR Interdisciplinary Polar Studies
	SPACE Space Science and Remote Sensing

	The following is a list of DIALCOM systems available in the
	listed countries with their domain and system numbers:

	Service Name Country Domain Number System Number
	~~~~~~~~~~~~ ~~~~~~~ ~~~~~~~~~~~~~ ~~~~~~~~~~~~~
	Keylink-Dialcom Australia 60 07, 08, 09
	Dialcom Canada 20 20, 21, 22, 23, 24
	DPT Databoks Denmark 124 71
	Telebox Finland 127 62
	Telebox West Germany 30 15, 16
	Dialcom Hong Kong 80 88, 89
	Eirmail Ireland 100 74
	Goldnet Israel 50 05, 06
	Mastermail Italy 130 65, 67
	Mastermail Italy 1 66, 68
	Dialcom Japan 70 13, 14
	Dialcom Korea 1 52
	Telecom Gold Malta 100 75
	Dialcom Mexico 1 52
	Memocom Netherlands 124 27, 28, 29
	Memocom Netherlands 1 55
	Starnet New Zealand 64 01, 02
	Dialcom Puerto Rico 58 25
	Telebox Singapore 88 10, 11, 12
	Dialcom Taiwan 1 52
	Telecom Gold United Kingdom 100 01, 04, 17,
	80-89
	DIALCOM USA 1 29, 30, 31, 32,
	33, 34, 37, 38,
	41-59, 61, 62, 63,
	90-99

	NOTE: You can also mail to username@NASAMAIL.NASA.GOV or
	username@GSFCMAIL.NASA.GOV instead of going through the CMR gateway to
	mail to NASAMAIL or GSFCMAIL.

	For more information and instructions on how to use CMR, send a
	message to the user support group at
	intermail-request@intermail.isi.edu (you'll get basically what
	I've listed plus maybe a bit more). Please read Chapter 3 of The
	Future Transcendent Saga (Limbo to Infinity) for specifics on
	mailing to these destination mailing systems.

	COMPUSERVE
	~~~~~~~~~~
	CompuServe is well known for its games and conferences. It does, though, have
	mailing capability. Now, they have developed their own Internet domain, called
	COMPUSERVE.COM. It is relatively new and mail can be routed through either
	TUT.CIS.OHIO-STATE.EDU or NORTHWESTERN.ARPA.

	Example: user%COMPUSERVE.COM@TUT.CIS.OHIO-STATE.EDU or replace
	TUT.CIS.OHIO-STATE.EDU with NORTHWESTERN.ARPA).

	The CompuServe link appears to be a polled UUCP connection at the
	gateway machine. It is actually managed via a set of shell
	scripts and a comm utility called xcomm, which operates via
	command scripts built on the fly by the shell scripts during
	analysis of what jobs exist to go into and out of CompuServe.

	CompuServe subscriber accounts of the form 7xxxx,yyyy can be
	addressed as 7xxxx.yyyy@compuserve.com. CompuServe employees can
	be addressed by their usernames in the csi.compuserve.com
	subdomain. CIS subscribers write mail to
	">inet:user@host.domain" to mail to users on the Wide-Area
	Networks, where ">gateway:" is CompuServe's internal gateway
	access syntax. The gateway generates fully-RFC-compliant
	headers.

	To fully extrapolate -- from the CompuServe side, you would use
	their EasyPlex mail system to send mail to someone in BITNET or
	the Internet. For example, to send me mail at my Bitnet id, you
	would address it to:

	INET:C488869%UMCVMB.BITNET@CUNYVM.CUNY.EDU

	Or to my Internet id:

	INET:C488869@UMCVMB.MISSOURI.EDU

	Now, if you have a BITNET to Internet userid, this is a silly
	thing to do, since your connect time to CompuServe costs you
	money. However, you can use this information to let people on
	CompuServe contact YOU. CompuServe Customer Service says that
	there is no charge to either receive or send a message to the
	Internet or BITNET.

	DASNET
	~~~~~~
	DASnet is a smaller network that connects to the Wide-Area
	Networks but charges for their service. DASnet subscribers get
	charged for both mail to users on other networks AND mail for
	them from users of other networks. The following is a brief
	description of DASnet, some of which was taken from their
	promotional text letter.

	DASnet allows you to exchange electronic mail with people on more
	than 20 systems and networks that are interconnected with DASnet.
	One of the drawbacks, though, is that, after being subscribed to
	these services, you must then subscribe to DASnet, which is a
	separate cost. Members of Wide-Area networks can subscribe to
	DASnet too. Some of the networks and systems reachable through
	DASnet include the following:

	ABA/net, ATT Mail, BIX (Byte Information eXchange), DASnet Network,
	Dialcom, EIES, EasyLink, Envoy 100, FAX, GeoMail, INET, MCI Mail, NWI,
	PeaceNet/EcoNet, Portal Communications, The Meta Network, The Source,
	Telemail, ATI's Telemail (Japan), Telex, TWICS (Japan), UNISON, UUCP, The
	WELL, and Domains (i.e. ".COM" and ".EDU" etc.). New systems are added
	all of the time. As of the writing of this file, Connect, GoverNET,
	MacNET, and The American Institute of Physics PI-MAIL are soon to be
	connected.

	You can get various accounts on DASnet including:

	o Corporate Accounts -- If your organization wants more than one individual
	subscription.
	o Site Subscriptions -- If you want DASnet to link directly to your
	organization's electronic mail system.

	To send e-mail through DASnet, you send the message to the DASnet
	account on your home system. You receive e-mail at your mailbox,
	as you do now. On the Wide-Area Networks, you send mail to
	XB.DAS@STANFORD.BITNET. On the Subject: line, you type the
	DASnet address in brackets and then the username just outside of
	them. The real subject can be expressed after the username
	separated by a "!" (Example: Subject: [0756TK]randy!How's
	Phrack?).

	The only disadvantage of using DASnet as opposed to Wide-Area
	networks is the cost. Subscription costs as of 3/3/89 cost $4.75
	per month or $5.75 per month for hosts that are outside of the
	U.S.A.

	You are also charged for each message that you send. If you are
	corresponding with someone who is not a DASnet subscriber, THEIR
	MAIL TO YOU is billed to your account.

	The following is an abbreviated cost list for mailing to the
	different services of DASnet:

	PARTIAL List DASnet Cost DASnet Cost
	of Services 1st 1000 Each Add'l 1000
	Linked by DASnet (e-mail) Characters Characters:

	INET, MacNET, PeaceNet, NOTE: 20 lines
	Unison, UUCP*, Domains, .21 .11 of text is app.
	e.g. .COM, .EDU* 1000 characters.

	Dialcom--Any "host" in U.S. .36 .25

	Dialcom--Hosts outside U.S. .93 .83

	EasyLink (From EasyLink) .21 .11
	(To EasyLink) .55 .23

	U.S. FAX (internat'l avail.) .79 .37

	GeoMail--Any "host" in U.S. .21 .11
	GeoMail--Hosts outside U.S. .74 .63

	MCI (from MCI) .21 .11
	(to MCI) .78 .25
	(Paper mail - USA) 2.31 .21

	Telemail .36 .25

	W.U. Telex--United States 1.79 1.63
	(You can also send Telexes outside the U.S.)

	TWICS--Japan .89 .47

	* The charges given here are to the gateway to the network. The DASnet
	user is not charged for transmission on the network itself.

	Subscribers to DASnet get a free DASnet Network Directory as well
	as a listing in the directory, and the ability to order optional
	DASnet services like auto-porting or DASnet Telex Service which
	gives you your own Telex number and answerback for $8.40 a month
	at this time.

	DASnet is a registered trademark of DA Systems, Inc.

	DA Systems, Inc. 1503 E. Campbell
	Ave.
	Campbell, CA 95008 408-559-7434
	TELEX: 910 380-3530

	The following two sections on PeaceNet and AppleLink are in
	association with DASnet as this network is what is used to
	connect them to the Wide-Area Networks.

	APPLELINK ~~~~~~~~~ AppleLink is a service of Apple Computer.
	They have their own little network and there are a couple of
	things to know about it.

	First of all, there is an AppleLink-Bitnet Mail Relay which was
	created to "enrich the cooperative research relationship of Apple
	Computer and the higher education community by facilitating the
	electronic exchange of information." Any Bitnet user is
	automatically authorized to use the mail relay as well as all
	AppleLink users.

	To send to AppleLink from Bitnet, your header should be as
	follows:

	To: XB.DAS@STANFORD.BITNET Subject: username@APPLELINK!Hi, how
	are things at Apple?

	The username is the user's ID that you are sending to and the "!"
	separates the DASnet To: field from the real subject.

	To send to Bitnet from AppleLink, your header should be as
	follows:

	To: DASNET Subject: C488869@UMCVMB.BITNET!Please add me to the
	Phrack Subscription List.

	The C488869@UMCVMB.BITNET (my address) is any Bitnet address and
	as above, the "!" separates the address from the subject of the
	message.

	There is one other thing to mention. Apparently, sending to
	username@APPLELINK.APPLE.COM also will perform the same function.
	If this does not work, try routing to
	username%APPLELINK.APPLE.COM@APPLE.COM.

	PEACENET ~~~~~~~~ PeaceNet is a computer-based communication
	system "helping the peace movement throughout the world
	communicate and cooperate more effectively and efficiently,"
	according to their information flier. It is networked through
	Telenet and can be reached via dial-up. To subscribe to this
	service, it costs $10 to sign up. With this sign-up fee, you
	receive a user's manual and a "free" hour of off-peak computer
	time (which is weekday evenings, weekends, and
	holidays). Beyond this, you pay a monthly $10 fee for another
	hour of off-peak computer usage and you pay $5 for additional
	PEAK hour usage. They charge, also, for users who require extra
	space on their system. I guess peace carries a heavy cost in the
	long run! You do get 2 free hours of off-peak time though for
	every additional user you bring to PeaceNet. It is a project of
	the Tides Foundation, a San Franciscan public charity, and is
	managed by 3 national peace organizations (non-profit, of
	course!). Anyway, to join PeaceNet, send your name,
	organizational affiliation, address, city, state, zip code,
	telephone number, and who referred you to PeaceNet as well as
	your credit card number with expiration date (and the name on the
	card if it's different than yours) to PeaceNet, 3228 Sacramento
	Street, San Francisco, CA 94115 or call them at 415-923-0900.
	You can also pay by check but that requires a $50 deposit.

	FIDONET
	~~~~~~~
	FIDONET is, of course, the ever-popular group of IBM bulletin
	boards that made it possible for networking to be incorporated
	into bulletin board systems. FIDONET seems to have a number of
	gateways in the Wide-Area Networks. First of all, it has its own
	domain -- .ifna.org -- which makes it possible to mail right to
	FIDONET without routing through UUCP gateways or whatever. The
	format for this gateway is:

	Username@f<node #>.n<net #>.z<zone #>.ifna.org

	In other words, if I wanted to mail to Silicon Swindler at
	1:135/5, the address would be
	Silicon_Swindler@f5.n135.z1.ifna.org and, provided that your
	mailer knows the .ifna.org domain, it should get through alright.
	Apparently, as of the writing of this article, they have
	implemented a new gateway name called fidonet.org which should
	work in place of ifna.org in all routings. If your mailer does
	not know either of these domains, use the above routing but
	replace the first "@" with a "%" and then afterwards, use either
	of the following mailers after the "@": CS.ORST.EDU or
	K9.CS.ORST.EDU (i.e. username%f<node #>.n<net #>.z<zone
	#>.fidonet.org@CS.ORST.EDU [or replace CS.ORST.EDU with
	K9.CS.ORST.EDU]).

	The following is a list compiled by Bill Fenner (WCF@PSUECL.BITNET) that was
	posted on INFONETS DIGEST which lists a number of FIDONET gateways:

	Net Node Node Name
	~~~ ~~~~ ~~~~~~~~~
	104 56 milehi.ifna.org
	105 55 casper.ifna.org
	107 320 rubbs.ifna.org
	109 661 blkcat.ifna.org
	125 406 fidogate.ifna.org
	128 19 hipshk.ifna.org
	129 65 insight.ifna.org
	143 N/A fidogate.ifna.org
	152 200 castle.ifna.org
	161 N/A fidogate.ifna.org
	369 17 megasys.ifna.org

	NOTE: The UUCP equivalent node name is the first part of the node name. In
	other words, the UUCP node milehi is listed as milehi.ifna.org but can
	be mailed directly over the UUCP network.

	Another way to mail to FIDONET, specifically for Internet people, is in this
	format:

	ihnp4!necntc!ncoast!ohiont!<net #>!<node #>!user_name@husc6.harvard.edu

	And for those UUCP mailing people out there, just use the path described and
	ignore the @husc5.harvard.edu portion. There is a FIDONET NODELIST available on
	most any FIDONET bulletin board, but it is quite large.

	ONTYME
	~~~~~~
	Previously known as Tymnet, OnTyme is the McDonnell Douglas revision. After
	they bought out Tymnet, they renamed the company and opened an experimental
	Internet gateway at ONTYME.TYMNET.COM but this is supposedly only good for
	certain corporate addresses within McDonnell Douglas and Tymnet, not their
	customers. The userid format is xx.yyy or xx.y/yy where xx is a net name and
	yyy (or y/yy) is a true username. If you cannot directly nail this, try:

	xx.yyy%ONTYME.TYMNET.COM@TYMIX.TYMNET.COM

	A subnet of Tymnet is called GeoNet. It is a private X.25-based
	subnet that is operated by the U.S. Geological Survey, a bureau
	of the U.S. Department of the Interior. It supports about 165
	host computers including about 75 USGS Primes, 50 VAXen, and 2
	Amdahls. One of their VAX systems is on BITnet at USGSRESV and
	they have SPAN nodes at IFLAG1.SPAN and EROSA.SPAN.

	THENET
	~~~~~~
	The Texas Higher Education Network (THEnet) is comprised of many
	of the institutions of higher education in the state of Texas.
	Its backbone network protocol is DECnet. THEnet has recently
	been designated as an NSF regional network, distributing Internet
	Protocol (IP) access over DECnet in some cases and utilizing
	multi-protocol routers in others. THEnet has a NIC (Network
	Information Center) at THENIC.THE.NET and addresses within THEnet
	are probably routed to user@destination.THE.NET.

	UUCP PATHS AND NODE INFORMATION
	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	Many UUCP Unix nodes have the commands uuhosts and uupath. The
	uuhosts command allows you to receive information about a
	specified UUCP node such as the path, node contact, how it is
	polled for USENET feeds, etc. The uupath command simply tells
	you the path from one UUCP node to another. Well, although at
	this time, this is only good for Bitnet users, this interactive
	message feature is good to know just in case you need to know a
	path to a particular node. For IBM systems using RSCS network
	software, use the command

	SM RSCS CMD PSUVAX1 UUPATH node1 node2 ...

	(For people on VAXen with JNET network software, the format is: )
	(SEND/COMMAND PSUVAX1 UUPATH node1 )

	to receive standard information listed above from the uupath command.

	Multiple nodes can be listed where node1 node2 represent separate UUCP nodes.

	I've found that this can be useful in finding surrounding nodes
	of the destination node in case you have a problem mailing
	through a particular path or node. You can, with this command,
	use alternate routings by specifying them with a "bang-path" that
	will indicate to the UUCP gateway where the message is to be sent
	to next. This is in the format of, say,
	"psuvax1!catch22!msp!taran@UUCPGATE" or whatever where UUCPGATE
	can be any UUCP gateway such as PSUVAX1 or UUNET.UU.NET to name a
	few.

	NICS
	~~~~
	The Network Information Centers (NICs) can be extremely useful in
	figuring out various problems on the networks, such as routings
	or the place at which the node resides, etc.

	BITNIC is the BITnet Network Information Center which is located
	in New Jersey. Its node name is BITNIC.BITNET and it contains a
	variety of resources which can be utilized via mail or via direct
	messages from Bitnet users.

	The DATABASE@BITNIC contains lists of all kinds. This database
	does not limit itself to information about the networks. It does
	contain this information, but also holds various trivialities.
	Send the HELP command either via direct message to
	DATABASE@BITNIC if on Bitnet or send mail to that address
	containing the command you wish to perform (i.e. send a message
	saying HELP to DATABASE@BITNIC.BITNET from another network or
	from Bitnet if you're at a node without direct message
	capabilities).

	LISTSERV@BITNIC contains the standard listserver files that you'd
	expect to find plus some other interesting ones. I'm not going
	to take the time to tutor you, the reader, in using these, so
	just send a HELP command the same as you would to DATABASE@BITNIC
	for more information.

	NETSERV@BITNIC is a file server which contains information files
	pertaining to various networks that are connected to Bitnet, as
	well as files about Bitnet. From here, you can get network node
	lists, information files on networks such as SPAN, ARPANET,
	NETNORTH, etc. and other network related files. This can be an
	extremely useful resource when you're trying to mail someone at
	another network.

	The Data Defense Network NIC (DDN NIC) is located at SRI-NIC.ARPA
	and has various useful files about the DDN as well as the
	Internet.

	There are a number of ways to obtain information from the DDN
	NIC. First of all, people on the Internet with the Telnet
	capability can Telnet to SRI-NIC.ARPA and perform a number of
	procedures from the pre-login screen. First of all, you can get
	TAC News updates by typing TACNEWS. The NIC command allows you
	to find various facts about the whereabouts of network
	information files, etc. The WHOIS command is probably the most
	useful of these 3. The WHOIS program allows you to find
	addresses for registered users of the networks as well as
	information about networks and nodes on the networks, depending
	on what you ask the WHOIS program for. To find only a certain
	record type, you can use the following specifiers:

	Arpanet DOmain GAteway GRoup HOst IMp
	Milnet NEtwork Organization PSn TAc

	To search for a specific field, use the following specifiers:

	HAndle or "!" Mailbox or if it contains "@" NAme or a "." leading

	These features return whatever information is available from the DDN NIC
	database. If you do not have the capability to use Telnet, mail can be sent to
	SERVICE@SRI-NIC.ARPA with the "SUBJECT:" line containing the following
	commands:

	HELP This will send you a help file for using the DDN NIC.
	RFC nnn This sends you a Request For Comments file (where nnn is either
	the number of the RFC file or else is INDEX to list them).
	IEN nnn This sends you an Internet Engineering Notes file where nnn is
	the same as above.
	NETINFO xxx This feature allows you to get files about the networks where
	xxx is the filename or else the word INDEX for a list of
	available files.
	HOST xxx This returns information pertaining to the xxx host specified.
	WHOIS xxx This is the same as using the WHOIS command from Telnet. For
	details on how to use this, send the WHOIS HELP command on the
	"Subject:" line.

	There are other Network Information Centers throughout the networks but as far
	as I know, their abilities are nothing near as powerful as SRI-NIC.ARPA. They
	are the places, though, to mail to for answers concerning those networks if
	you have some question as to the workings of the network or anything else.
	_______________________________________________________________________________