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Annotation of 42BSD/usr.lib/sendmail/adm/mh.cf.m4, revision 1.1.1.1

1.1       root        1: ##########################################
                      2: # sendmail configuration file
                      3: #      @(#)cf.m4       3.42            1/1/82
                      4: ##########################################
                      5: 
                      6: include(macros.m4) dnl
                      7: include(whoami.m4) dnl
                      8: 
                      9: ### local hosts on various nets
                     10: # arpanet
                     11: ifdef(`ANHOST', concat(DA, ANHOST))
                     12: # berknet
                     13: ifdef(`BNHOST', concat(DB, BNHOST))
                     14: # ethernet
                     15: ifdef(`ENHOST', concat(DE, ENHOST))
                     16: # uucpnet
                     17: ifdef(`UNHOST', concat(DU, UNHOST))
                     18: # arpanet gateway
                     19: DGucbvax
                     20: # uucp gateway
                     21: DHcbosgd
                     22: # IBM gateway
                     23: DIg
                     24: # Berknet gateway
                     25: DJucbvax
                     26: 
                     27: ### special macros
                     28: # my name
                     29: DnMAILER-DAEMON
                     30: # my official SMTP hostname
                     31: ifdef(`UNHOST', concat(Di, UNHOST))
                     32: # UNIX header format
                     33: DlFrom $g  $d
                     34: # delimiter (operator) characters
                     35: Do.:%@!^=/
                     36: 
                     37: ### other special macros are set internally:
                     38: # f -- from person
                     39: # g -- from person translated by mailer
                     40: # u -- the user being sent to
                     41: # h -- the host being sent to
                     42: # c -- the hop count
                     43: # p -- the process id -- for unique names
                     44: # t -- the current time (as a base 10 number)
                     45: # d -- the sending date (as a ctime string)
                     46: # a -- the sending date (in arpanet format)
                     47: # b -- the current date (in arpanet format)
                     48: # x -- ``signature'' (full name)
                     49: # y -- the tty id
                     50: # z -- home directory of recipient
                     51: 
                     52: ### format of headers:
                     53: HMail-From:
                     54: HDate: $a
                     55: HFrom: $g$?x ($x)$.
                     56: HFull-Name: $x
                     57: HSubject:
                     58: # HFrom: $?x$x $.<$g>
                     59: # HPosted-Date: $a
                     60: # HReceived-Date: $b
                     61: # HMessage-Id: <$t.$p.$B@$A>
                     62: HVia: $U.uucp (V$v); $b
                     63: 
                     64: ### name classifications
                     65: # arpanet hostnames
                     66: CAUCB Berkeley UCB-C70
                     67: # list of local host names
                     68: CBCSVAX v VAX ernie ucbvax
                     69: # berknet hosts on the arpanet
                     70: CCu c70
                     71: # uucp hostnames
                     72: CUcbosgd
                     73: # known domains
                     74: CDarpa berk uucp ibm
                     75: # known SMTP hosts
                     76: CSmonet ucb-comet oscar bert ucb-arpa
                     77: # known berknet hosts
                     78: CHA B C D E F G Q S Src
                     79: CHI Ing70 Ingres J IngVAX
                     80: CHV CSVAX R ARPAVAX U C70 Y Cory X Onyx
                     81: CHO ESVAX M Image Z EECS40
                     82: CHN Kim T MathStat P UCBCAD
                     83: CHW StatVAX L VLSI K Virus
                     84: 
                     85: ###  mailers
                     86: # local mail -- must be zero
                     87: Mlocal /bin/mail               rlsAmn  $f      ...LocalMail -d $u
                     88: # program mail -- must be one
                     89: Mprog  /bin/csh                lA      $f      ...ProgMail -fc $u
                     90: # berkeley net mail
                     91: Mberk  /usr/bin/uux            fsA     $U!$f   ...BerkMail - $J!rmail $h:$u
                     92: # arpanet mail
                     93: Marpa  /usr/bin/uux            fsuA    $U!$f@$A ...ArpaMail $G!rmail $u@$h
                     94: # uucp mail
                     95: Muucp  /usr/bin/uux            rsDxmhu $U!$f   ...UucpMail - $h!rmail ($u)
                     96: # IBM RJE mail
                     97: Mibm   /usr/bin/uux            fxsuA   $U!$f   ...IbmMail $H!rmail $h=$u
                     98: # SMTP mail over TCP (this appears to be kludged in and need work)
                     99: Msmtp  /usr/bin/uux            sAu     $U!$f   ...EtherMail ucbvax!rmail ($h:$u)
                    100: 
                    101: ### rewriting rules
                    102: R$+ at $+      $1@$2                   change "at" to "@"
                    103: R$+.$-@$=D     $#$3$@$2$:$1            resolve user.host@domain
                    104: R$=C:$+@$-     $2@$3                   delete gateway: on arpanet addresses
                    105: R$+@$=A                $G:$1                   delete local arpa hosts
                    106: R$+@$-         $#arpa$@$2$:$1          resolve arpa mail
                    107: R$-=$+         $#ibm$@$1$:$2           resolve IBM mail
                    108: R$=S:$+                $#smtp$@$1$:$2          resolve SMTP mail
                    109: R$=H.$+                $1:$2                   change "." to ":"
                    110: R$+^$+         $1!$2                   change "^" to "!"
                    111: R$-!$=U!$+     $3                      delete uucp loops through here
                    112: R$-!$+         $#uucp$@$1$:$2          resolve uucp mail
                    113: R$-:$-:$+      $2:$3                   delete multiple berk hosts
                    114: R$-:$+         $#berk$@$1$:$2          resolve berk mail
                    115: R$+            $#local$:$1             resolve local mail
                    116: 
                    117: ### rewriting rules for from host
                    118: S1
                    119: R$+ at $-      $1@$2                   prefer "@" over "at"
                    120: R$J!$+@$-      $1@$2                   arpanet mail is automatic
                    121: R$J!$-:$+      $1:$2                   uucp mail is automatic
                    122: 
                    123: ### rewriting rules for "after $g translate"
                    124: S2
                    125: R$-:$-:$+      $2:$3                   delete multiple berknet hosts
                    126: R$-:$-.$+      $2:$3                   delete multiple berknet hosts
                    127: R$-!$+@$-      $2@$3                   delete berknet if forwarded

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