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Annotation of 43BSD/usr.lib/sendmail/README_FOR_NAME_SERVER, revision 1.1.1.1

1.1       root        1: Greetings,
                      2: 
                      3:        To run sendmail with the name server you must:
                      4: 
                      5:        1) rebuild sendmail with the -lresolv
                      6:        2) rewrite the configuration files
                      7: 
                      8:        The -lresolv selects the gethostby* calls that
                      9: utilize the name server and resolver.  The module that
                     10: uses the gethostby* calls is daemon.c.  An example
                     11: Makefile is src/Makefile.ns.
                     12:        The directory nscf contains example configuration
                     13: files for interfacing with the name server.  A new right
                     14: hand side syntax has been added - $[ and $].  Anything
                     15: enclosed between the two is passed to maphostname in
                     16: daemon.c to be resolved by the name server via the
                     17: gethostbyname().  For example the ruleset:
                     18: 
                     19: R$+<@$-.ARPA>  $@$1<@$[$2.ARPA$]>
                     20: 
                     21: when passed [email protected] will pass host.ARPA to the
                     22: name server for qualification.  This might return
                     23: host.berkeley.edu if this were host@ARPA's fully
                     24: qualified name.  For additional information about the
                     25: name server and resolver see the man pages.

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