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Internet Info 1994 March
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Internet Info CD-ROM (Walnut Creek) (March 1994).iso
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resource-guide
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chapter.5
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section5-35.txt
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SprintMail X.400 Gateway
_A_d_d_r_e_s_s:
Merit Computer Network
1075 Beal Ave.
Ann Arbor, MI 48109-2112
_E_m_a_i_l: Customer.Service@Sprint.COM
_P_h_o_n_e: 1-800-336-0437
_D_e_s_c_r_i_p_t_i_o_n
The Merit staff operates a gateway between the Internet and
SprintMail, which allows messages to be exchanged between
SprintMail customers and Internet users. The gateway is
connected to Sprintnet and to the Internet through Merit's
connections to the NSFNET.
SprintMail, operated by Sprint International, is a commer-
cial X.400 electronic mail network providing services to US
customers and access to other networks domestically and
internationally. Formerly known as Telemail, SprintMail
uses the Sprintnet (formerly Telenet) public data network
for its e-mail connections.
Merit provides hardware and software maintenance and
administration and network operations (via the Merit Network
Operations Center) for the Internet gateway; Sprint provides
Sprintnet connectivity and user consulting and registration,
as well as gateways to other X.400 networks.
The gateway is a Sun SPARCstation-I running Sun OS 4.0.3 and
Sunlink MHS. An X.25 link to Sprintnet is connected to the
Sun's serial port at 9600 bps. Protocols used are X.400
Message Handling System, X.225 session layer, X.224 tran-
sport class 0, and X.25. On the Internet side, the Simple
Mail Transfer Protocol (RFC-822), Transfer Control Protocol,
Internet Protocol, and Ethernet protocols are used.
_________________________
The information in this section is provided in accor-
dance with the copyright notice appearing at the front
of this guide.
September 22, 1990 NNSC Section 5.35, Page 1
The gateway supports a directory function that allows
SprintMail customers to be registered with a mnemonic name
which can be used by Internet users when sending mail.
SprintMail users who wish to register can contact Sprint
Customer Service.
Merit provides domain name service for the SPRINT.COM domain
as well as for some other domains on behalf of some
SprintMail customers. For example, the COMPMAIL.COM domain
is owned by the IEEE (Institute of Electrical and Electronic
Engineering) Computer Society but is operated by Merit as
part of the gateway function.
_N_e_t_w_o_r_k _A_c_c_e_s_s
From the Internet to SprintMail
To use the gateway, an Internet user can specify a
registered SprintMail alias name, in the form:
John.Doe@Sprint.COM
Alternatively, the full X.400 Originator/Recipient (OR) name
can be specified, (all on one line), for example:
/pn=John.Doe/admd=Telemail/o=Sprintintl/c=us/@Sprint.COM
The Internet host name after the at-sign, @, can be
SPRINT.COM or another domain supported by the Merit gateway.
X.400 OR names consist of a list of parameters and their
values. X.400 parameters in OR names that can be used by
the SprintMail gateway include:
ADMD Administrative Management Domain
PRMD Private Management Domain
PN Personal Name
G Given Name
S Surname
DD.UN User Name (DD is "Domain Defined")
O Organization
C Country (two-letter abbreviations must be used, for example, US, GB, JP)
From SprintMail to the Internet
When sending mail from the SprintMail X.400 environment to
the Internet, the native syntax of the sender's system
should be used. Use an "ADMD" of TELEMAIL, "PRMD" of INTER-
NET and "Country" of US, along with the "RFC-822" "domain
September 22, 1990 NNSC Section 5.35, Page 2
defined" attribute to specify the user's Internet mail
address. For example, to send mail from the SprintMail sys-
tem to an Internet user whose address is
jdoe@engin.college.edu, type (all on one line):
(Site:Internet,ID:<jdoe(a)engin.college.edu>)
The angle brackets "< >" are required. The "(a)" replaces
the at-sign, @, because that and most other special charac-
ters are illegal as specified in RFC 987, which makes it
necessary to substitute "(u)" for underscore, _, "(b)" for
bang (exclamation point), !, "(q)" for a quotation mark, ",
and "(p)" for percent, %.
Resolving Problems
If a message sent across the gateway cannot be delivered,
the gateway will send a return message to notify the sender
of nondelivery. That notification message will explain the
problem with the mail address. If you have further ques-
tions, call or send e-mail to Sprint Customer Service.
September 22, 1990 NNSC Section 5.35, Page 3