Ubuntu Feisty 7.04 manual page repository

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Provided by: sendmail-bin_8.13.8-3_i386



        aliases - aliases file for sendmail




        This file describes user ID aliases used by sendmail.  The file resides
        in /etc/mail and is formatted as a series of lines of the form
               name: addr_1, addr_2, addr_3, . . .
        The name is the name to alias, and the addr_n are the aliases for  that
        name.  addr_n can be another alias, a local username, a local filename,
        a command, an include file, or an external address.
        Local Username
        Local Filename
               Messages are appended to the file specified by the full pathname
               (starting with a slash (/))
               A  command  starts  with a pipe symbol (|), it receives messages
               via standard input.
        Include File
               :include: /path/name
               The aliases in pathname are added to the aliases for name.
        E-Mail Address
               An e-mail address in RFC 822 format.
        Lines beginning with white space are continuation lines.   Another  way
        to  continue lines is by placing a backslash directly before a newline.
        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.
        If  an  alias  is found for name, sendmail then checks for an alias for
        owner-name.  If it is found and the result of the lookup expands  to  a
        single address, the envelope sender address of the message is rewritten
        to that address.  If it is found and the result expands  to  more  than
        one address, the envelope sender address is changed to owner-name.
        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.
        This  is  only  the  raw  data file; the actual aliasing information is
        placed into a binary format in the file /etc/mail/aliases.db using  the
newaliases(1).   A  newaliases command should be executed each
        time the aliases file is changed for the change to take effect.
        SENDMAIL Installation and Operation Guide.
        SENDMAIL An Internetwork Mail Router.


        If you have compiled sendmail with DBM support instead  of  NEWDB,  you
dbm(3) restricting a single alias to
        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.


        The aliases file format appeared in 4.0BSD.


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