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aliases(4)							   aliases(4)

  aliases - Contains alias definitions for the sendmail	program




  By default, the aliases file contains	the required aliases for the sendmail
  program.  Do not delete these	defaults because they are needed by the	sys-
  tem.	This file describes user ID aliases used by the	sendmail command.  It
  is formatted as a series of lines in the form:

       name: name_1, name_2, name_3,..

  The name is the name that needs an alias, and	the name_n are the aliases
  for that name.  Lines	beginning with white space are continuation lines.
  Lines	beginning with a # (number sign) are comments.

  You can define an alias only on local	names. Duplicate addresses are
  removed and no message is sent to any	person more than once.	For example,
  if name_1 defines an alias that is name_2 and	name_2 defines an alias	that
  is name_1, sendmail does not send the	same message back and forth.  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 information that defines the
  aliases is placed into a binary format in the	files
  /var/adm/sendmail/aliases.dir	and /var/adm/sendmail/aliases.pag using	the
  newaliases command.  For the change to take effect, the newaliases command
  must be executed each	time the aliases file is changed.

  The sendmail program also supports sending messages to programs or append-
  ing a	message	to a file. See the sendmail(8) reference page for further

  Special Aliases

  owner-aliasname address
	    Directs error messages that	occur when sending to aliasname	back
	    to address.


  Aliases for sendmail use the dbm(3) database format for faster lookups. A
  single alias cannot exceed 1,000 characters. To work around this restric-
  tion,	you can	chain together aliases.	For example:

       alias-list:  ali1, ali2,	ali3
       ali1: name 1, name 2 ...
       ali2: name n, name n + 1


	    Binary aliases file.

	    Binary aliases file.


  Commands:  newaliases(1), forward(4),	local.users(4),	sendmail(8)