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Annotation of 43BSDReno/usr.sbin/sendmail/cf/m4/postwriterule.m4, revision 1.1.1.1

1.1       root        1: divert(10)
                      2: #
                      3: # Copyright (c) 1983 Eric P. Allman
                      4: # Copyright (c) 1988 The Regents of the University of California.
                      5: # All rights reserved.
                      6: #
                      7: # Redistribution and use in source and binary forms are permitted
                      8: # provided that the above copyright notice and this paragraph are
                      9: # duplicated in all such forms and that any documentation,
                     10: # advertising materials, and other materials related to such
                     11: # distribution and use acknowledge that the software was developed
                     12: # by the University of California, Berkeley.  The name of the
                     13: # University may not be used to endorse or promote products derived
                     14: # from this software without specific prior written permission.
                     15: # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16: # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17: # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18: #
                     19: #      @(#)postwriterule.m4    1.9 (Berkeley) 2/15/89
                     20: #
                     21: divert(0)
                     22: #################################
                     23: #  Final Output Post-rewriting  #
                     24: #################################
                     25: S4
                     26: 
                     27: R@                     $@                              handle <> error addr
                     28: 
                     29: # resolve numeric addresses to name if possible
                     30: R$*<@[$+]>$*           $:$1<@$[[$2]$]>$3               lookup numeric internet addr
                     31: 
                     32: # externalize local domain info
                     33: R$*<$+>$*              $1$2$3                          defocus
                     34: R@$+:@$+:$+            @$1,@$2:$3                      <route-addr> canonical
                     35: 
                     36: # UUCP must always be presented in old form
                     37: R$+@$-.UUCP            $2!$1                           [email protected] => h!u
                     38: 
                     39: # delete duplicate local names
                     40: R$+%$=w@$=w            $1@$w                           u%host@host => u@host
                     41: R$+%$=w@$=w.$D         $1@$w                           u%host@host => u@host

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