usr.sbin/sendmail/cf/m4/postwriterule.m4

   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    1.8 (Berkeley) 1/3/89
  12 #
  13 divert(0)
  14 #################################
  15 #  Final Output Post-rewriting  #
  16 #################################
  17 S4
  18
  19 R@                      $@                              handle <> error addr
  20
  21 # resolve numeric addresses to name if possible
  22 R$*<@[$+]>$*            $:$1<@$[[$2]$]>$3               lookup numeric internet addr
  23
  24 # externalize local domain info
  25 R$*<$+>$*               $1$2$3                          defocus
  26 R@$+:@$+:$+             @$1,@$2:$3                      <route-addr> canonical
  27
  28 # UUCP must always be presented in old form
  29 R$+@$-.UUCP             $2!$1                           u@h.UUCP => h!u
  30
  31 # delete duplicate local names
  32 R$+%$=w@$=w             $1@$w                           u%host@host => u@host
  33 R$+%$=w@$=w.$D          $1@$w                           u%host@host => u@host