Adding upstream version 3.5.24.upstream/3.5.24

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

1 files changed, 324 insertions, 0 deletions

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+# VIRTUAL(5)                                                          VIRTUAL(5)
+# 
+# NAME
+#        virtual - Postfix virtual alias table format
+# 
+# SYNOPSIS
+#        postmap /etc/postfix/virtual
+# 
+#        postmap -q "string" /etc/postfix/virtual
+# 
+#        postmap -q - /etc/postfix/virtual <inputfile
+# 
+# DESCRIPTION
+#        The  optional  virtual(5)  alias  table rewrites recipient
+#        addresses for all local, all virtual, and all remote  mail
+#        destinations.   This  is unlike the aliases(5) table which
+#        is used only for local(8) delivery.  Virtual  aliasing  is
+#        recursive,  and  is  implemented by the Postfix cleanup(8)
+#        daemon before mail is queued.
+# 
+#        The main applications of virtual aliasing are:
+# 
+#        o      To redirect mail for one address  to  one  or  more
+#               addresses.
+# 
+#        o      To   implement  virtual  alias  domains  where  all
+#               addresses  are  aliased  to  addresses   in   other
+#               domains.
+# 
+#               Virtual  alias  domains are not to be confused with
+#               the virtual mailbox domains  that  are  implemented
+#               with  the  Postfix  virtual(8) mail delivery agent.
+#               With  virtual  mailbox  domains,   each   recipient
+#               address can have its own mailbox.
+# 
+#        Virtual  aliasing  is  applied  only to recipient envelope
+#        addresses, and  does  not  affect  message  headers.   Use
+#        canonical(5)   mapping  to  rewrite  header  and  envelope
+#        addresses in general.
+# 
+#        Normally, the virtual(5) alias 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/virtual" 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 case, the lookups are done in a  slightly
+#        different way as described below under "REGULAR EXPRESSION
+#        TABLES" or "TCP-BASED TABLES".
+# 
+# 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, 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, address, ...
+#               Redirect mail for  user@domain  to  address.   This
+#               form has the highest precedence.
+# 
+#        user address, address, ...
+#               Redirect mail for user@site to address when site is
+#               equal to $myorigin, when site is listed in  $mydes-
+#               tination,  or when it is listed in $inet_interfaces
+#               or $proxy_interfaces.
+# 
+#               This functionality overlaps with  functionality  of
+#               the  local  aliases(5)  database. The difference is
+#               that virtual(5) mapping can be applied to non-local
+#               addresses.
+# 
+#        @domain address, address, ...
+#               Redirect mail for other users in domain to address.
+#               This form has the lowest precedence.
+# 
+#               Note: @domain is a wild-card. With this  form,  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  aliased 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.  This
+#               works only for the first address in a multi-address
+#               lookup result.
+# 
+#        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.
+# 
+# VIRTUAL ALIAS DOMAINS
+#        Besides virtual aliases, the virtual alias table can  also
+#        be used to implement virtual alias domains. With a virtual
+#        alias domain,  all  recipient  addresses  are  aliased  to
+#        addresses in other domains.
+# 
+#        Virtual alias domains are not to be confused with the vir-
+#        tual mailbox domains that are implemented with the Postfix
+#        virtual(8)  mail  delivery  agent.  With  virtual  mailbox
+#        domains, each recipient address can have its own  mailbox.
+# 
+#        With  a  virtual  alias domain, the virtual domain has its
+#        own user name space. Local  (i.e.  non-virtual)  usernames
+#        are  not visible in a virtual alias domain. In particular,
+#        local aliases(5) and local mailing lists are  not  visible
+#        as localname@virtual-alias.domain.
+# 
+#        Support for a virtual alias domain looks like:
+# 
+#        /etc/postfix/main.cf:
+#            virtual_alias_maps = hash:/etc/postfix/virtual
+# 
+#        Note: some systems use dbm databases instead of hash.  See
+#        the output  from  "postconf  -m"  for  available  database
+#        types.
+# 
+#        /etc/postfix/virtual:
+#            virtual-alias.domain    anything (right-hand content does not matter)
+#            postmaster@virtual-alias.domain postmaster
+#            user1@virtual-alias.domain      address1
+#            user2@virtual-alias.domain      address2, address3
+# 
+#        The  virtual-alias.domain anything entry is required for a
+#        virtual alias domain. Without this entry, mail is rejected
+#        with  "relay  access  denied", or bounces with "mail loops
+#        back to myself".
+# 
+#        Do not specify virtual alias domain names in  the  main.cf
+#        mydestination or relay_domains configuration parameters.
+# 
+#        With  a  virtual  alias  domain,  the  Postfix SMTP server
+#        accepts  mail  for  known-user@virtual-alias.domain,   and
+#        rejects   mail  for  unknown-user@virtual-alias.domain  as
+#        undeliverable.
+# 
+#        Instead of specifying the virtual alias  domain  name  via
+#        the  virtual_alias_maps table, you may also specify it via
+#        the main.cf virtual_alias_domains configuration parameter.
+#        This  latter parameter uses the same syntax as the main.cf
+#        mydestination configuration parameter.
+# 
+# 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, $2 and so on.
+# 
+# TCP-BASED TABLES
+#        This  section  describes how the table lookups change when
+#        lookups are directed to a TCP-based server. For a descrip-
+#        tion of the TCP client/server lookup protocol, see tcp_ta-
+#        ble(5).  This feature is not available up to and including
+#        Postfix version 2.4.
+# 
+#        Each lookup operation uses the entire address once.  Thus,
+#        user@domain mail addresses are not broken  up  into  their
+#        user and @domain constituent parts, nor is user+foo broken
+#        up into user and foo.
+# 
+#        Results are the same as with indexed file lookups.
+# 
+# BUGS
+#        The table format does not understand quoting  conventions.
+# 
+# CONFIGURATION PARAMETERS
+#        The  following  main.cf parameters are especially relevant
+#        to this topic. See the Postfix  main.cf  file  for  syntax
+#        details  and  for default values. Use the "postfix reload"
+#        command after a configuration change.
+# 
+#        virtual_alias_maps ($virtual_maps)
+#               Optional lookup tables  that  alias  specific  mail
+#               addresses  or  domains  to  other  local  or remote
+#               address.
+# 
+#        virtual_alias_domains ($virtual_alias_maps)
+#               Postfix is final destination for the specified list
+#               of  virtual  alias  domains,  that  is, domains for
+#               which all addresses are  aliased  to  addresses  in
+#               other local or remote domains.
+# 
+#        propagate_unmatched_extensions (canonical, virtual)
+#               What  address  lookup tables copy an address exten-
+#               sion from the lookup key to the lookup result.
+# 
+#        Other parameters of interest:
+# 
+#        inet_interfaces (all)
+#               The network interface addresses that this mail sys-
+#               tem receives mail on.
+# 
+#        mydestination  ($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 "-".
+# 
+#        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.
+# 
+# SEE ALSO
+#        cleanup(8), canonicalize and enqueue mail
+#        postmap(1), Postfix lookup table manager
+#        postconf(5), configuration parameters
+#        canonical(5), canonical address mapping
+# 
+# README FILES
+#        Use  "postconf  readme_directory" or "postconf html_direc-
+#        tory" to locate this information.
+#        ADDRESS_REWRITING_README, address rewriting guide
+#        DATABASE_README, Postfix lookup table overview
+#        VIRTUAL_README, domain hosting 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
+# 
+#                                                                     VIRTUAL(5)