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MAKEMAP(8)									       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

       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  sepa-
       rated  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

       -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 file.

       -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 directories.

       -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)
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