








                JUNET $B$N%"%I%l%9I=8=$K$D$$$F(J
                Tue Nov  4 12:43:26 JST 1986


                 $BB<0f!!!!=c!"(J $B!!EDCf!!7<2p(J
                 $B2CF#!!!!O/!"!!(J $B<DED!!M[0l(J

                      Junet$B1?1D0Q0w2q(J


                            __$B35(J__$BMW(J

          JUNET $B$O3,AXE*$J%I%a%$%s$N35G0$K4p$E$$$?L>A0(J
     $B;XDjK!$r:NMQ$7$F$*$j!"$9$G$K(J 4.9, 6.1 $B$HFs$D$N%P!<(J
     $B%8%g%s$N(Jsendmail $BMQ$N%k!<%k@8@.7O$rMQ$$$F$-$?!#(J
     JUNET  $B$N9q:]E*$J0LCV$E$1$r9M$(!"FC$K(J CSNET $B$J$I$N(J
     $B3$30%M%C%H%o!<%/$H$N%a%C%;!<%88r49$NJX$r9MN8$7!"%"(J
     $B%I%l%92r@O%k!<%k$r2~NI$7!"%P!<%8%g%s(J  6.2 $B$N%k!<%k(J
     $B@8@.7O$r%j%j!<%9$9$k$3$H$K$J$C$?!#$3$3$G$O!"$3$N?7(J
     $B$7$$2r@O%k!<%k$K$*$1$k%"%I%l%9$N;XDjJ}K!!"5Z$S$=$N(J
     $B2r@O$N35MW$r2r@b$9$k!#$J$*!"K\J8$O=c?h$K5;=QE*$JB&(J
     $BLL$K$D$$$F=R$Y$?$b$N$G$"$j!"(JJUNET $B0J30$N%M%C%H%o!<(J
     $B%/$X$N%a%C%;!<%8$K$D$$$F$O!"2]6b$J$I$NLdBj$,$"$j!"(J
     $B$@$l$G$b$=$N%j%s%/$rMQ$$$F%a%C%;!<%8$rAw?.$7$F$h$$(J
     $B$H$$$&$3$H$G$O$J$$$3$H$KCm0U$5$l$?$$!#(J



_1.  __$B4p(J__$BK\(J__$B7A(J

     JUNET$B$NL>A0;XDj$K$*$$$F!"(J'@' $B$r4pK\1i;;;R$H$7$FMQ$$$k!#(J
$B$=$N4pK\7A$O0J2<$NDL$j$G$"$k!#(J
     <local_name>@<domain_name>
$B$3$3$G!"(J<domain_name> $B$NItJ,$O!"3,AXE*$J%I%a%$%s9=B$$K$h$kL>(J
$BA0$G$"$j!"(JJUNET  $BFb$G$N08@h$H$J$k%7%9%F%`$r0l0U$K7hDj$9$k!#(J
<local_name> $B$NItJ,$O!"L\E*$N%I%a%$%s$KE~C#$9$k$^$G$O$J$s$i(J
$B$N2r<a$b9T$o$l$:!"(J<domain_name> $B$G;XDj$5$l$k%I%a%$%s$NL>A02r(J
$B7hC4Ev%7%9%F%`$,!"$=$N2r<a$r9T$&!#(J

     $B$3$N4pK\7A$K$*$1$k$b$C$H$b4JC1$JL>A0$NNc$O0J2<$N$b$N$G(J
$B$"$k!#(J
     USER@DOM |-

_2.  __$B4p(J__$BK\(J__$B7A(J__$B$N(J__$B3H(J__$BD%(J

     JUNET$B$H%2!<%H%&%'%$$K$h$C$F@\B3$5$l$?B>$N%M%C%H%o!<%/!"(J
_________________________
|- $B0J2<!"(JUSER $B$O%f!<%6L>!"(JDOM $B$O%I%a%$%sL>!"(JSYS $B$O%7%9%F(J
$B%`L>!"(JNET  $B$O%M%C%H%o!<%/L>$r$=$l$>$lI=8=$9$k0lHLE*$J%7(J
$B%s%\%k$H$9$k!#(J




                     November 13, 1986





                           - 2 -


$B$"$k$$$O(Jsendmail $B$r;}$?$J$$%7%9%F%`>e$N%f!<%6$r08@h$H$9$k>l(J
$B9g!"@h$K<($7$?(J<local_name>  $B$NItJ,$,3HD%$5$l$k!#B($A!"%P!<%8(J
$B%g%s(J6.2$B$N%k!<%k$K$*$$$F(J<local_name> $B$NItJ,$NI=5-$K;HMQ2DG=$J(J
$BJ8;z$O0J2<$K<($9$b$N$G$"$k!#(J

     $B!&(J $B%f!<%6L>!"%7%9%F%`L>!"%I%a%$%sL>!"%M%C%H%o!<%/L>Ey$N(J
        $BL>A0<1JLMQ$NJ8;zNs!J1Q?t;z5Z$S(J  '-', '+', '_' $B$+$i$J(J
        $B$k!K(J

     $B!&(J UUCP$B%Y!<%9$N%"%I%l%9;XDjMQ$NFC<lJ8;z(J'!'

     $B!&(J $B%I%a%$%s%Y!<%9$N%"%I%l%9;XDjMQ$NFC<lJ8;z(J'%'$B$*$h$S(J'.'

     $B!&(J $B$=$NB>!"BP>]%M%C%H%o!<%/$G$N%"%I%l%9;XDjMQ$NFC<lJ8;z(J

     $B0J>e$NJ8;z$r;HMQ$7$?>l9g$N%"%I%l%9$NNc$r0J2<$K<($9!#(J

     1) SYS!USER@DOM.junet
        $B%I%a%$%s(J "DOM.junet" $B$K$*$1$kC4Ev%7%9%F%`$^$G%a%C%;(J
        $B!<%8$,E>Aw$5$l$?8e!"$=$N%7%9%F%`$K$h$C$F(J  "SYS!USER"
        $B$H$$$&%"%I%l%9$H$7$F2r<a$5$l$k!#$3$N>l9g$O(J UUCP $B7A<0(J
        $B$G$"$k$?$a!"(J"SYS" $B$H$$$&%7%9%F%`$N(J "USER" $B$KBP$7$F%a(J
        $B%C%;!<%8$,E>Aw$5$l$k!#(J

     2) USER%DOM_A.NET@DOM_B.junet
        "DOM_B.junet" $B$K$*$$$F(J "USER@DOM_A.NET" $B$X$N%a%C%;!<(J
        $B%8$G$"$k$H2r<a$5$l$k!#$3$N:]!"(J'%'  $B5-9f$O(J '@' $B5-9f$K(J
        $BJQ49$5$l!"(J"USER@DOM_A.NET" $B$H$7$F2r@O$r9T$&!#(J
        $B$3$NI=8=$K$*$1$k(J"DOM_B.junet" $B$NItJ,$OB($A08@h%M%C%H(J
        $B%o!<%/$KBP$9$k(JJUNET $BFb$N%2!<%H%&%'%$$r;XDj$7$F$$$k!#(J
        $B!JC"$7=>MhDL$j!"CxL>$J%M%C%H%o!<%/$KBP$7$F$O%2!<%H%&(J
        $B%'%$%7%9%F%`$N;XDj$rI,MW$H$;$:D>@\(J"USER@DOM_A.NET"
        $B$NI=8=$rMQ$$$F$N%a%C%;!<%8$NE>Aw$,2DG=$G$"$k!#!K(J

     3) USER%DOM_A.NET_A%DOM_B.NET_B@DOM_C.junet
        JUNET  $BFb$N%2!<%H%&%'%$(J"DOM_C.junet"  $B$K$F(J
        "USER%DOM_A.NET_A%DOM_B.NET_B"  $B$,2r<a$5$l$k$,!"$3$N(J
        $B:]!"$b$C$H$b1&B&$K$"$k(J'%'$B5-9f$,(J'@'$B5-9f$KJQ49$5$l$k!#(J
        $BB($A!"(J"USER%DOM_A.NET_A@DOM_B.NET_B'  $B$H$7$F2r@O$,9T(J
        $B$o$l$k!#(J
        $B$3$NI=8=$O!"(JJUNET $B$HD>@\%j%s%/$N$"$k(J"NET_B"$B$rDL$8$F(J
        "NET_A"$B$K%a%C%;!<%8$rE>Aw$9$k>l9g$N$b$N$G$"$k!#(J
        $B$^$?!"0lIt$N%M%C%H%o!<%/$KBP$7$F$O!"(JJUNET$BFb$N%2!<%H(J
        $B%&%'%$$r;XDj$;$:!"(J
             USER%DOM_A.NET@DOM_B.NET_B
        $B$H5-=R$9$k$3$H$b2DG=$G$"$k!#(J

     4) SYS!USER%DOM_A.NET_A@DOM_B.junet
        "DOM_B.junet"   $B$K$F(J"SYS!USER%DOM_A.NET_A"   $B$r(J
        "SYS!USER@DOM_A.NET_A"  $B$KJQ49$7$F!"(J"DOM_A.NET_A" $B$r(J
        $BI>2A$7$F%a%C%;!<%8$NE>Aw$r9T$&!#C"$7!"%a%C%;!<%8$rE>(J
        $BAw$5$l$?%M%C%H%o!<%/B&$G(J"SYS!USER@DOM_A.NET_A"  $B$N2r(J
        $B<a$r$I$NMM$K9T$C$F$$$k$+$K$D$$$F==J,$JCm0U$,I,MW$G$"(J
        $B$k!#(J



                     November 13, 1986





                           - 3 -


_3.  _U_U_C_P __$B7A(J__$B<0(J__$B$N(J__$B%"(J__$B%I(J__$B%l(J__$B%9(J__$BI=(J__$B8=(J

     $B%P!<%8%g%s(J6.2$B$N%k!<%k$G$O!"(JUUCP $B7A<0$N%"%I%l%9I=8=Fb$K(J
$B%I%a%$%sI=8=$r@^$j9~$`$3$H$r2DG=$K$7$F$$$k!#$D$^$j!"(J
"USER@DOM" $B$r(J"DOM!USER" $B$H$7$FI=8=$9$k$3$H$,$G$-$k!#$3$3$G!"(J
"SYS!USER"  $B$NI=8=$H6hJL$9$k$?$a$K!"(JDOM $B$K$O>/$J$/$H$b#1$D$N(J
'.' $B$r4^$^$J$1$l$P$J$i$J$$!#$=$3$G!"(J"USER@junet" $B$H$$$&5-=R(J
$B$O!"(J"junet.!USER"  $B$N$h$&$K!"%I%a%$%sL>$N8e$K(J '.' $B$rIU$1$k$3(J
$B$H$G6hJL$9$k!#(J

     $BNc$H$7$F!"(J
     SYS_A!DOM.junet!SYS_B!USER
$B$H$$$&I=8=$,MQ$$$i$l$?>l9g!"%a%C%;!<%8$O@h$:(J"SYS_A" $B$KE>Aw$5(J
$B$l$k!#(J"SYS_A"  $B$G$O08@h%"%I%l%9(J"DOM.junet!SYS_B!USER" $B$KBP$7(J
$B$F!"$3$NI=8=$rI8=`7A<0$KJQ49$7$F2r<a$r9T$&!#B($A$3$NNc$G$O!"(J
$B08@h%"%I%l%9$O(J"SYS_B!USER@DOM.junet" $B$H$7$F2r@O$5$l$k!#(J

     $B$3$N5!G=$K$h$j:#$^$G%I%a%$%s%Y!<%9$N%"%I%l%9$,;HMQ$G$-(J
$B$J$+$C$?(Jsendmail  $B$r;}$?$J$$%7%9%F%`$+$i$G$b%I%a%$%sL>$r@^$j(J
$B9~$s$@%"%I%l%9$rMQ$$$F%a%C%;!<%8$rE>Aw$9$k$3$H$,2DG=$H$J$C$?!#(J
$B$3$N>l9g$N0lHLE*$J%"%I%l%97A<0$O0J2<$NDL$j$H$J$k!#(J
     <$B$b$C$H$b6a$$(Jsendmail$B$rM-$9$k%7%9%F%`$^$G$N(Jpath>!<$B%I%a(J
$B%$%sL>(J>!USER

_4.  __$B:G(J__$B8e(J__$B$K(J

     $B:#2s%j%j!<%9$5$l$k%P!<%8%g%s(J6.2$B%k!<%k$K$*$$$F$O!"$3$l$^(J
$B$GITL@NF$JItJ,$NB?$+$C$?(J'!'$B$H(J'@'$B$N<h$j07$$$d(JJUNET$B0J30$N%M%C(J
$B%H%o!<%/$H$N4X78$KBP$7$=$N%"%I%l%9BN7O$rL@NF$K$7$?!#$3$3$G<h(J
$B$j>e$2$?5,B'$O9q:]E*$J<h$j7h$a$K=>$C$?$b$N$G$"$j!":#8eBg$-$/(J
$BJQ2=$9$k$3$H$O$J$$$H9M$($i$l$k!#:#2s$N%j%j!<%9$G$O!"(J'@',
'%',  '!'  $B0J30$N1i;;;R$rMQ$$$k%M%C%H%o!<%/!J(JDECNET,  EAN,
COSAC $B$J$I!K$X$N%a%C%;!<%88r49$K$D$$$F$OBP=h$7$F$$$J$$!#$3$l(J
$B$i$K$D$$$F$O!"<!$N%j%j!<%9$K<h$j9~$^$l$k$H9M$($i$l$k!#(J

__$BIU(J__$BO?(J

     JUNET $B$+$iD>@\%"%I%l%9$r;XDj$G$-$k%M%C%H%o!<%/$O<!$NDL(J
$B$j$G$"$k!#(J

CSNETuser@site.CSNET

ARPA-NET
     user@domain.EDU
     user@domain.COM
     user@domain.GOV
     user@domain.NET
     user@domain.{EDU,COM,GOV,NET}.arpa |-

ACSNETuser@domain.OZ
9_________________________
9  |- {x,y,z} $B$O(J x$B!"(Jy$B!"(Jz $B$N$$$:$l$+$r<($9!#(J




                     November 13, 1986





                           - 4 -


UUCP user@host.UUCP

JANETuser@domain.UK






















































                     November 13, 1986


