aliases man page on DigitalUNIX

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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 system. 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  continua‐
       tion 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 exam‐
       ple,  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 file in their home direc‐
       tory 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/send‐
       mail/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
       appending  a  message to a file. See the sendmail(8) reference page for
       further information.

   Special Aliases
       Directs error messages that occur when sending  to  aliasname  back  to

       Aliases for sendmail use the dbm(3) database format for faster lookups.
       A single alias cannot exceed 1,000  characters.	To  work  around  this
       restriction, 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)


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