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Annotation of 43BSD/usr.lib/sendmail/cf.named/postwriterule.m4, revision 1.1

1.1     ! root        1: divert(10)
        !             2: #
        !             3: #  Sendmail
        !             4: #  Copyright (c) 1983  Eric P. Allman
        !             5: #  Berkeley, California
        !             6: #
        !             7: #  Copyright (c) 1983 Regents of the University of California.
        !             8: #  All rights reserved.  The Berkeley software License Agreement
        !             9: #  specifies the terms and conditions for redistribution.
        !            10: #
        !            11: #      @(#)postwriterule.m4    1.4 (Berkeley) 12/9/85
        !            12: #
        !            13: divert(0)
        !            14: #################################
        !            15: #  Final Output Post-rewriting  #
        !            16: #################################
        !            17: S4
        !            18: 
        !            19: R@                     $@                              handle <> error addr
        !            20: 
        !            21: # resolve numeric addresses to name if possible
        !            22: R$*<@[$+]>$*           $:$1<@$[[$2]$]>$3               lookup numeric internet addr
        !            23: 
        !            24: # externalize local domain info
        !            25: R$*<@LOCAL>            $@$1@$w
        !            26: R$*<$*LOCAL>$*         $1<$2$D>$3                      change local info
        !            27: R$*<$*LOCAL.ARPA>$*    $1<$2$D>$3                      change local info
        !            28: R$*<$+>$*              $1$2$3                          defocus
        !            29: R@$+:@$+:$+            @$1,@$2:$3                      <route-addr> canonical
        !            30: 
        !            31: # UUCP must always be presented in old form (with domains, leave the ".uucp")
        !            32: R$+@$-.UUCP            $2!$1                           [email protected] => h!u
        !            33: R$+@$-.$-.UUCP         $2.$3.uucp!$1                   [email protected] => h!u
        !            34: R$+@$-.$-.$-.UUCP      $2.$3.$4.uucp!$1                [email protected] => h!u
        !            35: R$+@$-.$-.$-.$-.UUCP   $2.$3.$4.$5.uucp!$1             [email protected] => h!u
        !            36: R$+@$-.$-.$-.$-.$-.UUCP        $2.$3.$4.$5.$6.uucp!$1          [email protected] => h!u
        !            37: 
        !            38: # delete duplicate local names -- mostly for arpaproto.mc
        !            39: R$+%$=w@$=w            $1@$w                           u%UCB@UCB => u@UCB
        !            40: R$+%$=w@$=w.ARPA       $1@$w                           u%UCB@UCB => u@UCB
        !            41: 

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