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MAKEMAP(8)                  System Manager's Manual                 MAKEMAP(8)

       makemap - create database maps for sendmail

       makemap  [-C  file]  [-N]  [-c cachesize] [-d] [-e] [-f] [-l] [-o] [-r]
       [-s] [-t delim] [-u] [-v] maptype mapnam

       Makemap creates the database maps used by  the  keyed  map  lookups  in
       sendmail(8).   It  reads input from the standard input and outputs them
       to the indicated mapname.

       Depending on how it is compiled, makemap handles up to three  different
       database formats, selected using the maptype parameter.  They may be

       dbm    DBM format maps.  This requires the ndbm(3) library.

       btree  B-Tree format maps.  This requires the new Berkeley DB library.

       hash   Hash format maps.  This also requires the Berkeley DB library.

       In all cases, makemap reads lines from the standard input consisting of
       two words separated by white space.  The first is the database key, the
       second  is the value.  The value may contain ``%n'' strings to indicate
       parameter substitution.  Literal percents should be  doubled  (``%%'').
       Blank lines and lines beginning with ``#'' are ignored.

       Notice:  do  not  use  makemap  to  create  the  aliases data base, but
       newaliases which puts a special  token  into  the  data  base  that  is
       required by sendmail.

       If the TrustedUser option is set in the sendmail configuration file and
       makemap is invoked as root, the generated files will be  owned  by  the
       specified TrustedUser.

       -C     Use the specified sendmail configuration file for looking up the
              TrustedUser option.

       -N     Include the null byte that terminates strings in the map.   This
              must match the -N flag in the sendmail.cf ``K'' line.

       -c     Use the specified hash and B-Tree cache size.

       -d     Allow duplicate keys in the map.  This is only allowed on B-Tree
              format maps.  If two identical keys are read, they will both  be
              inserted into the map.

       -e     Allow empty value (right hand side).

       -f     Normally  all  upper case letters in the key are folded to lower
              case.  This flag disables that behaviour.  This is  intended  to
              mesh  with  the -f flag in the K line in sendmail.cf.  The value
              is never case folded.

       -l     List supported map types.

       -o     Append to an old file.  This allows you to augment  an  existing

       -r     Allow  replacement of existing keys.  Normally makemap complains
              if you repeat a key, and does not do the insert.

       -s     Ignore safety checks  on  maps  being  created.   This  includes
              checking  for  hard or symbolic links in world writable directo-

       -t     Use the specified delimiter instead of white space.

       -u     dump (unmap) the content of the database to standard output.

       -v     Verbosely print what it is doing.

       sendmail(8), newaliases(1)

       The makemap command appeared in 4.4BSD.

                           Date: 2001/10/10 03:23:02                MAKEMAP(8)