aliases man page on OSF1

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ALIASES(5)							   ALIASES(5)

NAME
  aliases - aliases file for sendmail

SYNOPSIS
  aliases

DESCRIPTION
  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
       username

       The username must be available via getpwnam(3).

  Local Filename
       /path/name

       Messages are appended to the file specified by the full pathname
       (starting with a slash (/))

  Command
       |command

       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
       user@domain

       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 sin-
  gle 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 ``.for-
  ward'' 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 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), dbm(3), dbopen(3), db_open(3), sendmail(8)

  SENDMAIL Installation and Operation Guide.

  SENDMAIL An Internetwork Mail Router.

BUGS
  If you have compiled sendmail with DBM support instead of NEWDB, you may
  have encountered problems in 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.

HISTORY
  The aliases file format appeared in 4.0BSD.

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