Adding upstream version 3.4.23.upstream/3.4.23upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 307 insertions, 0 deletions

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+# CANONICAL(5)                                                      CANONICAL(5)
+# 
+# NAME
+#        canonical - Postfix canonical table format
+# 
+# SYNOPSIS
+#        postmap /etc/postfix/canonical
+# 
+#        postmap -q "string" /etc/postfix/canonical
+# 
+#        postmap -q - /etc/postfix/canonical <inputfile
+# 
+# DESCRIPTION
+#        The  optional canonical(5) table specifies an address map-
+#        ping for local and non-local  addresses.  The  mapping  is
+#        used  by the cleanup(8) daemon, before mail is stored into
+#        the queue.  The address mapping is recursive.
+# 
+#        Normally, the canonical(5) table is specified  as  a  text
+#        file  that serves as input to the postmap(1) command.  The
+#        result, an indexed file in dbm or db format, is  used  for
+#        fast  searching  by  the  mail system. Execute the command
+#        "postmap /etc/postfix/canonical"  to  rebuild  an  indexed
+#        file after changing the corresponding text file.
+# 
+#        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,  or  lookups  can  be  directed  to TCP-based
+#        server. In those cases, the lookups are done in a slightly
+#        different way as described below under "REGULAR EXPRESSION
+#        TABLES" or "TCP-BASED TABLES".
+# 
+#        By default the canonical(5) mapping affects  both  message
+#        header  addresses  (i.e. addresses that appear inside mes-
+#        sages) and message envelope addresses  (for  example,  the
+#        addresses  that  are used in SMTP protocol commands). This
+#        is controlled with the canonical_classes parameter.
+# 
+#        NOTE: Postfix versions 2.2 and later rewrite message head-
+#        ers  from  remote  SMTP clients only if the client matches
+#        the  local_header_rewrite_clients  parameter,  or  if  the
+#        remote_header_rewrite_domain configuration parameter spec-
+#        ifies a non-empty value. To get the behavior before  Post-
+#        fix    2.2,    specify   "local_header_rewrite_clients   =
+#        static:all".
+# 
+#        Typically, one would use the canonical(5) table to replace
+#        login   names   by  Firstname.Lastname,  or  to  clean  up
+#        addresses produced by legacy mail systems.
+# 
+#        The canonical(5) mapping is not to be confused  with  vir-
+#        tual  alias  support or with local aliasing. To change the
+#        destination but not the headers,  use  the  virtual(5)  or
+#        aliases(5) map instead.
+# 
+# CASE FOLDING
+#        The  search  string is folded to lowercase before database
+#        lookup. As of Postfix 2.3, the search string is  not  case
+#        folded  with database types such as regexp: or pcre: whose
+#        lookup fields can match both upper and lower case.
+# 
+# TABLE FORMAT
+#        The input format for the postmap(1) command is as follows:
+# 
+#        pattern address
+#               When  pattern matches a mail address, replace it by
+#               the corresponding address.
+# 
+#        blank lines and comments
+#               Empty lines and whitespace-only lines are  ignored,
+#               as  are  lines whose first non-whitespace character
+#               is a `#'.
+# 
+#        multi-line text
+#               A logical line starts with non-whitespace  text.  A
+#               line  that starts with whitespace continues a logi-
+#               cal line.
+# 
+# TABLE SEARCH ORDER
+#        With lookups from indexed files such as DB or DBM, or from
+#        networked   tables   such   as  NIS,  LDAP  or  SQL,  each
+#        user@domain query produces a sequence of query patterns as
+#        described below.
+# 
+#        Each  query pattern is sent to each specified lookup table
+#        before trying the next query pattern,  until  a  match  is
+#        found.
+# 
+#        user@domain address
+#               Replace  user@domain  by address. This form has the
+#               highest precedence.
+# 
+#               This is useful to clean up  addresses  produced  by
+#               legacy  mail  systems.  It can also be used to pro-
+#               duce Firstname.Lastname style  addresses,  but  see
+#               below for a simpler solution.
+# 
+#        user address
+#               Replace  user@site by address when site is equal to
+#               $myorigin, when site is listed  in  $mydestination,
+#               or   when  it  is  listed  in  $inet_interfaces  or
+#               $proxy_interfaces.
+# 
+#               This form is useful for replacing  login  names  by
+#               Firstname.Lastname.
+# 
+#        @domain address
+#               Replace other addresses in domain by address.  This
+#               form has the lowest precedence.
+# 
+#               Note: @domain is a wild-card.  When  this  form  is
+#               applied  to  recipient  addresses, the Postfix SMTP
+#               server accepts mail for any  recipient  in  domain,
+#               regardless  of whether that recipient exists.  This
+#               may  turn  your  mail  system  into  a  backscatter
+#               source: Postfix first accepts mail for non-existent
+#               recipients and then tries to return  that  mail  as
+#               "undeliverable" to the often forged sender address.
+# 
+#               To avoid backscatter  with  mail  for  a  wild-card
+#               domain, replace the wild-card mapping with explicit
+#               1:1 mappings, or add a  reject_unverified_recipient
+#               restriction for that domain:
+# 
+#                   smtpd_recipient_restrictions =
+#                       ...
+#                       reject_unauth_destination
+#                       check_recipient_access
+#                           inline:{example.com=reject_unverified_recipient}
+#                   unverified_recipient_reject_code = 550
+# 
+#               In  the above example, Postfix may contact a remote
+#               server if the recipient is rewritten  to  a  remote
+#               address.
+# 
+# RESULT ADDRESS REWRITING
+#        The lookup result is subject to address rewriting:
+# 
+#        o      When  the  result  has  the  form @otherdomain, the
+#               result becomes the same user in otherdomain.
+# 
+#        o      When "append_at_myorigin=yes", append  "@$myorigin"
+#               to addresses without "@domain".
+# 
+#        o      When "append_dot_mydomain=yes", append ".$mydomain"
+#               to addresses without ".domain".
+# 
+# ADDRESS EXTENSION
+#        When a mail address localpart contains the optional recip-
+#        ient  delimiter  (e.g., user+foo@domain), the lookup order
+#        becomes: user+foo@domain, user@domain, user+foo, user, and
+#        @domain.
+# 
+#        The   propagate_unmatched_extensions   parameter  controls
+#        whether an unmatched address extension  (+foo)  is  propa-
+#        gated to the result of table 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).
+# 
+#        Each pattern is a regular expression that  is  applied  to
+#        the entire address being looked up. Thus, user@domain mail
+#        addresses are not broken up into their  user  and  @domain
+#        constituent parts, nor is user+foo broken up into user and
+#        foo.
+# 
+#        Patterns are applied in the order as specified in the  ta-
+#        ble,  until  a  pattern  is  found that matches the search
+#        string.
+# 
+#        Results are the same as with indexed  file  lookups,  with
+#        the  additional feature that parenthesized substrings from
+#        the pattern can be interpolated as $1, $2 and so on.
+# 
+# TCP-BASED TABLES
+#        This section describes how the table lookups  change  when
+#        lookups are directed to a TCP-based server. For a descrip-
+#        tion of the TCP client/server lookup protocol, see tcp_ta-
+#        ble(5).  This feature is not available up to and including
+#        Postfix version 2.4.
+# 
+#        Each lookup operation uses the entire address once.  Thus,
+#        user@domain  mail  addresses  are not broken up into their
+#        user and @domain constituent parts, nor is user+foo broken
+#        up into user and foo.
+# 
+#        Results are the same as with indexed file lookups.
+# 
+# BUGS
+#        The  table format does not understand quoting conventions.
+# 
+# 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.
+# 
+#        canonical_classes  (envelope_sender,   envelope_recipient,
+#        header_sender, header_recipient)
+#               What  addresses  are  subject   to   canonical_maps
+#               address mapping.
+# 
+#        canonical_maps (empty)
+#               Optional  address mapping lookup tables for message
+#               headers and envelopes.
+# 
+#        recipient_canonical_maps (empty)
+#               Optional address mapping lookup tables for envelope
+#               and header recipient addresses.
+# 
+#        sender_canonical_maps (empty)
+#               Optional address mapping lookup tables for envelope
+#               and header sender addresses.
+# 
+#        propagate_unmatched_extensions (canonical, virtual)
+#               What address lookup tables copy an  address  exten-
+#               sion from the lookup key to the lookup result.
+# 
+#        Other parameters of interest:
+# 
+#        inet_interfaces (all)
+#               The network interface addresses that this mail sys-
+#               tem receives mail on.
+# 
+#        local_header_rewrite_clients (permit_inet_interfaces)
+#               Rewrite message header addresses in mail from these
+#               clients  and  update  incomplete addresses with the
+#               domain name in $myorigin or $mydomain; either don't
+#               rewrite  message headers from other clients at all,
+#               or rewrite message headers  and  update  incomplete
+#               addresses   with   the   domain  specified  in  the
+#               remote_header_rewrite_domain parameter.
+# 
+#        proxy_interfaces (empty)
+#               The network interface addresses that this mail sys-
+#               tem  receives  mail on by way of a proxy or network
+#               address translation unit.
+# 
+#        masquerade_classes    (envelope_sender,     header_sender,
+#        header_recipient)
+#               What addresses are subject to address masquerading.
+# 
+#        masquerade_domains (empty)
+#               Optional  list of domains whose subdomain structure
+#               will be stripped off in email addresses.
+# 
+#        masquerade_exceptions (empty)
+#               Optional list of user names that are not  subjected
+#               to  address  masquerading,  even when their address
+#               matches $masquerade_domains.
+# 
+#        mydestination  ($myhostname,  localhost.$mydomain,  local-
+#        host)
+#               The list of domains  that  are  delivered  via  the
+#               $local_transport mail delivery transport.
+# 
+#        myorigin ($myhostname)
+#               The domain name that locally-posted mail appears to
+#               come from, and that locally posted mail  is  deliv-
+#               ered to.
+# 
+#        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 "-".
+# 
+#        remote_header_rewrite_domain (empty)
+#               Don't rewrite message headers from  remote  clients
+#               at all when this parameter is empty; otherwise, re-
+#               write message  headers  and  append  the  specified
+#               domain name to incomplete addresses.
+# 
+# SEE ALSO
+#        cleanup(8), canonicalize and enqueue mail
+#        postmap(1), Postfix lookup table manager
+#        postconf(5), configuration parameters
+#        virtual(5), virtual aliasing
+# 
+# README FILES
+#        Use  "postconf  readme_directory" or "postconf html_direc-
+#        tory" to locate this information.
+#        DATABASE_README, Postfix lookup table overview
+#        ADDRESS_REWRITING_README, address rewriting guide
+# 
+# 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
+# 
+#                                                                   CANONICAL(5)