


      ALIASES(4)                  (bsd 4.2)                  ALIASES(4)



      NAME
           aliases - aliases file for sendmail

      SYNTAX
           /usr/lib/aliases

      DESCRIPTION
           This file describes user id aliases used by
           /usr/lib/sendmail. It is formatted as a series of lines of
           the form
                name: name_1, name_2, name_3, . . .
           The name is the name to alias, and the name_n are the
           aliases for that name.  Lines beginning with white space are
           continuation lines.  Lines beginning with `#' are comments.

           Aliasing occurs only on local names.  Loops can not occur,
           since no message will be sent to any person more than once.

           After aliasing has been done, local and valid recipients who
           have a .forward file in their home directory have messages
           forwarded to the list of users defined in that file.

           The /usr/lib/aliases file is only the raw data file; the
           actual aliasing information is placed into a binary format
           in the files /usr/lib/aliases.dir and /usr/lib/aliases.pag
           using the program newaliases(1).  A newaliases command
           should be executed each time the aliases file is changed for
           the change to take effect.

      SEE  ALSO
           newaliases(1), sendmail(1)
           SENDMAIL Installation and Operation Guide.
           SENDMAIL An Internetwork Mail Router.

      NOTE
           Initially, aliases.dir and aliases.pag should be zero
           length.  Enter:

           cp /dev/null /usr/lib/aliases.dir
           cp /dev/null /usr/lib/aliases.pag

      BUGS
           A single alias cannot contain more than about 1000 bytes of
           information.  You can get longer aliases by ``chaining'';
           that is, make the last name in the alias be a dummy name
           which is a continuation alias.









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