Postfix aliases configuration example for Alpine Linux v3

Get the default configuration file aliases for Postfix, optimized for Alpine Linux v3. This example configuration ensures optimal compatibility and performance for Postfix, making it easy to set up and adjust to meet your needs.

Find and download the configuration file here: /etc/postfix/aliases.

For more configurations and setup guides, visit our related files section to further customize your system.

    #
# Sample aliases file. Install in the location as specified by the
# output from the command "postconf alias_maps". Typical path names
# are /etc/aliases or /etc/mail/aliases.
#
#	>>>>>>>>>>      The program "newaliases" must be run after
#	>> NOTE >>      this file is updated for any changes to
#	>>>>>>>>>>      show through to Postfix.
#

# Person who should get root's mail. Don't receive mail as root!
#root:		you

# Basic system aliases -- these MUST be present
MAILER-DAEMON:	postmaster
postmaster:	root

# General redirections for pseudo accounts
bin:		root
daemon:		root
named:		root
nobody:		root
uucp:		root
www:		root
ftp-bugs:	root
postfix:	root

# Put your local aliases here.

# Well-known aliases
manager:	root
dumper:		root
operator:	root
abuse:		postmaster

# trap decode to catch security attacks
decode:		root

# ALIASES(5)                                                          ALIASES(5)
# 
# NAME
#        aliases - Postfix local alias database format
# 
# SYNOPSIS
#        newaliases
# 
# DESCRIPTION
#        The  aliases(5)  table provides a system-wide mechanism to
#        redirect mail for local recipients. The  redirections  are
#        processed by the Postfix local(8) delivery agent.
# 
#        Normally, the aliases(5) table is specified as a text file
#        that serves as input  to  the  postalias(1)  command.  The
#        result,  an  indexed file in dbm or db format, is used for
#        fast lookup  by  the  mail  system.  Execute  the  command
#        newaliases  in  order  to  rebuild  the indexed file after
#        changing the Postfix alias database.
# 
#        When the table is provided via other means  such  as  NIS,
#        LDAP  or  SQL,  the  same lookups are done as for ordinary
#        indexed files.
# 
#        Alternatively, the  table  can  be  provided  as  a  regu-
#        lar-expression  map  where  patterns  are given as regular
#        expressions. In this case,  the  lookups  are  done  in  a
#        slightly  different  way as described below under "REGULAR
#        EXPRESSION TABLES".
# 
#        Users can control delivery of their own mail by setting up
#        .forward files in their home directory.  Lines in per-user
#        .forward files have the same syntax as the right-hand side
#        of aliases(5) entries.
# 
#        The format of the alias database input file is as follows:
# 
#        o      An alias definition has the form
# 
#                    name: value1, value2, ...
# 
#        o      Empty lines and whitespace-only lines are  ignored,
#               as  are  lines whose first non-whitespace character
#               is a `#'.
# 
#        o      A logical line starts with non-whitespace  text.  A
#               line  that starts with whitespace continues a logi-
#               cal line.
# 
#        The name is a local address (no domain part).  Use  double
#        quotes  when the name contains any special characters such
#        as whitespace, `#', `:', or `@'. The  name  is  folded  to
#        lowercase, in order to make database lookups case insensi-
#        tive.
# 
#        In addition, when an alias  exists  for  owner-name,  this
#        will  override the envelope sender address, so that deliv-
#        ery diagnostics are directed to owner-name, instead of the
#        originator    of    the    message   (for   details,   see
#        owner_request_special,       expand_owner_alias        and
#        reset_owner_alias).   This  is  typically  used  to direct
#        delivery errors to the maintainer of a mailing  list,  who
#        is in a better position to deal with mailing list delivery
#        problems than the originator of the undelivered mail.
# 
#        The value contains one or more of the following:
# 
#        address
#               Mail is forwarded to address, which  is  compatible
#               with the RFC 822 standard.
# 
#        /file/name
#               Mail  is  appended  to /file/name. See local(8) for
#               details of delivery to file.  Delivery is not  lim-
#               ited  to regular files.  For example, to dispose of
#               unwanted mail, deflect it to /dev/null.
# 
#        |command
#               Mail is piped into command. Commands  that  contain
#               special  characters,  such as whitespace, should be
#               enclosed between double quotes.  See  local(8)  for
#               details of delivery to command.
# 
#               When the command fails, a limited amount of command
#               output is mailed back  to  the  sender.   The  file
#               /usr/include/sysexits.h  defines  the expected exit
#               status codes. For example, use "|exit 67" to  simu-
#               late  a  "user  unknown"  error,  and  "|exit 0" to
#               implement an expensive black hole.
# 
#        :include:/file/name
#               Mail is sent to  the  destinations  listed  in  the
#               named file.  Lines in :include: files have the same
#               syntax as the right-hand side of alias entries.
# 
#               A  destination  can  be  any  destination  that  is
#               described in this manual page. However, delivery to
#               "|command" and /file/name is disallowed by default.
#               To  enable,  edit  the  allow_mail_to_commands  and
#               allow_mail_to_files configuration parameters.
# 
# ADDRESS EXTENSION
#        When alias database search fails, and the recipient local-
#        part  contains  the  optional  recipient  delimiter (e.g.,
#        user+foo), the  search  is  repeated  for  the  unextended
#        address (e.g., user).
# 
#        The   propagate_unmatched_extensions   parameter  controls
#        whether an unmatched address extension  (+foo)  is  propa-
#        gated to the result of table lookup.
# 
# CASE FOLDING
#        The local(8) delivery agent always folds the search string
#        to lowercase before database lookup.
# 
# REGULAR EXPRESSION TABLES
#        This section describes how the table lookups  change  when
#        the table is given in the form of regular expressions. For
#        a description of regular expression lookup  table  syntax,
#        see  regexp_table(5) or pcre_table(5). NOTE: these formats
#        do not use ":" at the end of a pattern.
# 
#        Each regular expression is applied to  the  entire  search
#        string.  Thus,  a  search string user+foo is not broken up
#        into user and foo.
# 
#        Regular expressions are applied in the order as  specified
#        in  the  table,  until  a regular expression is found that
#        matches the search string.
# 
#        Lookup results are the same as with indexed file  lookups.
#        For  security  reasons there is no support for $1, $2 etc.
#        substring interpolation.
# 
# SECURITY
#        The local(8) delivery agent disallows  regular  expression
#        substitution  of $1 etc. in alias_maps, because that would
#        open a security hole.
# 
#        The local(8) delivery agent will silently ignore  requests
#        to  use  the proxymap(8) server within alias_maps. Instead
#        it will open the table directly.  Before  Postfix  version
#        2.2,  the  local(8)  delivery  agent will terminate with a
#        fatal error.
# 
# CONFIGURATION PARAMETERS
#        The following main.cf parameters are especially  relevant.
#        The  text  below  provides  only  a parameter summary. See
#        postconf(5) for more details including examples.
# 
#        alias_database (see 'postconf -d' output)
#               The alias databases for local(8) delivery that  are
#               updated with "newaliases" or with "sendmail -bi".
# 
#        alias_maps (see 'postconf -d' output)
#               The  alias  databases  that  are  used for local(8)
#               delivery.
# 
#        allow_mail_to_commands (alias, forward)
#               Restrict local(8) mail delivery  to  external  com-
#               mands.
# 
#        allow_mail_to_files (alias, forward)
#               Restrict  local(8) mail delivery to external files.
# 
#        expand_owner_alias (no)
#               When delivering to an alias "aliasname" that has an
#               "owner-aliasname" companion alias, set the envelope
#               sender   address   to   the   expansion   of    the
#               "owner-aliasname" alias.
# 
#        propagate_unmatched_extensions (canonical, virtual)
#               What  address  lookup tables copy an address exten-
#               sion from the lookup key to the lookup result.
# 
#        owner_request_special (yes)
#               Enable special treatment for owner-listname entries
#               in the aliases(5) file, and don't split owner-list-
#               name and listname-request address  localparts  when
#               the recipient_delimiter is set to "-".
# 
#        recipient_delimiter (empty)
#               The set of characters that can separate a user name
#               from its extension (example: user+foo), or a  .for-
#               ward  file  name from its extension (example: .for-
#               ward+foo).
# 
#        Available in Postfix version 2.3 and later:
# 
#        frozen_delivered_to (yes)
#               Update the local(8) delivery agent's  idea  of  the
#               Delivered-To:     address    (see    prepend_deliv-
#               ered_header) only once, at the start of a  delivery
#               attempt;  do  not  update the Delivered-To: address
#               while expanding aliases or .forward files.
# 
# STANDARDS
#        RFC 822 (ARPA Internet Text Messages)
# 
# SEE ALSO
#        local(8), local delivery agent
#        newaliases(1), create/update alias database
#        postalias(1), create/update alias database
#        postconf(5), configuration parameters
# 
# README FILES
#        Use "postconf readme_directory" or  "postconf  html_direc-
#        tory" to locate this information.
#        DATABASE_README, Postfix lookup table overview
# 
# LICENSE
#        The  Secure  Mailer  license must be distributed with this
#        software.
# 
# AUTHOR(S)
#        Wietse Venema
#        IBM T.J. Watson Research
#        P.O. Box 704
#        Yorktown Heights, NY 10598, USA
# 
#        Wietse Venema
#        Google, Inc.
#        111 8th Avenue
#        New York, NY 10011, USA
# 
#                                                                     ALIASES(5)

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