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: [email protected]

           _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.




           Sept. 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:

                [email protected]

           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 _A_D_M_D of TELEMAIL, _P_R_M_D  of  INTERNET
           and  _C_o_u_n_t_r_y  of US, along with the "RFC-822" _d_o_m_a_i_n _d_e_f_i_n_e_d



           Sept. 22, 1990              NNSC       Section 5.35,  Page 2








           attribute to specify the user's Internet mail address.   For
           example,  to  send  mail  from  the  SprintMail system to an
           Internet user whose address is [email protected],  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.






























           Sept. 22, 1990              NNSC       Section 5.35,  Page 3

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