Страницы справочника OS X

Эта страница руководства для  версии 10.9 Mac OS X

Читать страницы руководства

SPFQUERY(1)                          User Contributed Perl Documentation                         SPFQUERY(1)



NAME
       spfquery - (Mail::SPF) - Checks if a given set of e-mail parameters matches a domain's SPF policy

VERSION
       2.501

SYNOPSIS
       Preferred usage:
           spfquery [--versions|-v 1|2|1,2] [--scope|-s helo|mfrom|pra] --identity|--id identity
           --ip-address|--ip ip-address [--helo-identity|--helo-id helo-identity] [OPTIONS]

           spfquery [--versions|-v 1|2|1,2] [--scope|-s helo|mfrom|pra] --file|-f filename|- [OPTIONS]

       Legacy usage:
           spfquery --helo helo-identity --ip-address|--ip ip-address [OPTIONS]

           spfquery --mfrom mfrom-identity --ip-address|--ip ip-address [--helo helo-identity] [OPTIONS]

           spfquery --pra pra-identity --ip-address|--ip ip-address [OPTIONS]

       Other usage:
           spfquery --version|-V

           spfquery --help

DESCRIPTION
       spfquery checks if a given set of e-mail parameters (e.g., the SMTP sender's IP address) matches the
       responsible domain's Sender Policy Framework (SPF) policy.  For more information on SPF see
       <http://www.openspf.org>.

   Preferred Usage
       The following usage forms are preferred over the legacy forms used by older spfquery versions:

       The --identity form checks if the given ip-address is an authorized SMTP sender for the given "helo"
       hostname, "mfrom" envelope sender e-mail address, or "pra" (so-called purported resonsible address)
       e-mail address, depending on the value of the --scope option (which defaults to mfrom if omitted).

       The --file form reads "ip-address identity [helo-identity]" tuples from the file with the specified
       filename, or from standard input if filename is -, and checks them against the specified scope (mfrom
       by default).

       Both forms support an optional --versions option, which specifies a comma-separated list of the SPF
       version numbers of SPF records that may be used.  1 means that "v=spf1" records should be used.  2
       means that "spf2.0" records should be used.  Defaults to 1,2, i.e., uses any SPF records that are
       available.  Records of a higher version are preferred.

   Legacy Usage
       spfquery versions before 2.500 featured the following usage forms, which are discouraged but still
       supported for backwards compatibility:

       The --helo form checks if the given ip-address is an authorized SMTP sender for the "HELO" hostname
       given as the identity (so-called "HELO" check).

       The --mfrom form checks if the given ip-address is an authorized SMTP sender for the envelope sender
       email-address (or domain) given as the identity (so-called "MAIL FROM" check).  If a domain is given
       instead of an e-mail address, "postmaster" will be substituted for the localpart.

       The --pra form checks if the given ip-address is an authorized SMTP sender for the PRA (Purported
       Responsible Address) e-mail address given as the identity.

   Other Usage
       The --version form prints version information of spfquery.  The --help form prints usage information
       for spfquery.

OPTIONS
   Standard Options
       The preferred and legacy forms optionally take any of the following OPTIONS:

       --default-explanation string
       --def-exp string
           Use the specified string as the default explanation if the authority domain does not specify an
           explanation string of its own.

       --hostname hostname
           Use hostname as the host name of the local system instead of auto-detecting it.

       --keep-comments
       --no-keep-comments
           Do (not) print any comments found when reading from a file or from standard input.

       --sanitize (currently ignored)
       --no-sanitize (currently ignored)
           Do (not) sanitize the output by condensing consecutive white-space into a single space and
           replacing non-printable characters with question marks.  Enabled by default.

       --debug (currently ignored)
           Print out debug information.

   Black Magic Options
       Several options that were supported by earlier versions of spfquery are considered black magic (i.e.
       potentially dangerous for the innocent user) and are thus disabled by default.  If the
       Mail::SPF::BlackMagic Perl module is installed, they may be enabled by specifying
       --enable-black-magic.

       --max-dns-interactive-terms n
           Evaluate a maximum of n DNS-interactive mechanisms and modifiers per SPF check.  Defaults to 10.
           Do not override the default unless you know what you are doing!

       --max-name-lookups-per-term n
           Perform a maximum of n DNS name look-ups per mechanism or modifier.  Defaults to 10.  Do not
           override the default unless you know what you are doing!

       --authorize-mxes-for email-address|domain,...
           Consider all the MXes of the comma-separated list of email-addresses and domains as inherently
           authorized.

       --tfwl
           Perform "trusted-forwarder.org" accreditation checking.

       --guess spf-terms
           Use spf-terms as a default record if no SPF record is found.

       --local spf-terms
           Process spf-terms as local policy before resorting to a default result (the implicit or explicit
           "all" mechanism at the end of the domain's SPF record).  For example, this could be used for
           white-listing one's secondary MXes: "mx:mydomain.example.org".

       --override domain=spf-record
       --fallback domain=spf-record
           Set overrides and fallbacks.  Each option can be specified multiple times.  For example:

               --override example.org='v=spf1 -all'
               --override '*.example.net'='v=spf1 a mx -all'
               --fallback example.com='v=spf1 -all'

RESULT CODES
       pass        The specified IP address is an authorized SMTP sender for the identity.

       fail        The specified IP address is not an authorized SMTP sender for the identity.

       softfail    The specified IP address is not an authorized SMTP sender for the identity, however the
                   authority domain is still testing out its SPF policy.

       neutral     The identity's authority domain makes no assertion about the status of the IP address.

       permerror   A permanent error occurred while evaluating the authority domain's policy (e.g., a syntax
                   error in the SPF record).  Manual intervention is required from the authority domain.

       temperror   A temporary error occurred while evaluating the authority domain's policy (e.g., a DNS
                   error).  Try again later.

       none        There is no applicable SPF policy for the identity domain.

EXIT CODES
         Result    | Exit code
        -----------+-----------pass -----------+----------pass
         pass      |     0
         fail      |     1
         softfail  |     2
         neutral   |     3
         permerror |     4
         temperror |     5
         none      |     6

EXAMPLES
           spfquery --scope mfrom --id user@example.com --ip 1.2.3.4
           spfquery --file test_data
           echo "127.0.0.1 user@example.com helohost.example.com" | spfquery -f -COMPATIBILITY -fCOMPATIBILITY

COMPATIBILITY
       spfquery has undergone the following interface changes compared to earlier versions:

       2.500
           •   A new preferred usage style for performing individual SPF checks has been introduced.  The
               new style accepts a unified --identity option and an optional --scope option that specifies
               the type (scope) of the identity.  In contrast, the legacy usage style requires a separate
               usage form for every supported scope.  See "Preferred usage" and "Legacy usage" for details.

           •   The former "unknown" and "error" result codes have been renamed to "permerror" and
               "temperror", respectively, in order to comply with RFC 4408 terminology.

           •   SPF checks with an empty identity are no longer supported.  In the case of an empty "MAIL
               FROM" SMTP transaction parameter, perform a check with the "helo" scope directly.

           •   The --debug and --(no-)sanitize options are currently ignored by this version of spfquery.
               They will again be supported in the future.

           •   Several features that were supported by earlier versions of spfquery are considered black
               magic and thus are now disabled by default.  See "Black Magic Options".

           •   Several option names have been deprecated.  This is a list of them and their preferred
               synonyms:

                 Deprecated options  | Preferred options
                ---------------------+-------------------------------sender, ---------------------+------------------------------sender,
                 --sender, -s        | --mfrom
                 --ipv4, -i          | --ip-address, --ip
                 --name              | --hostname
                 --max-lookup-count, | --max-dns-interactive-terms
                   --max-lookup      |
                 --rcpt-to, -r       | --authorize-mxes-for
                 --trusted           | --tfwl

SEE ALSO
       Mail::SPF, spfd(8)

       <http://www.ietf.org/rfc/rfc4408.txt>

AUTHORS
       This version of spfquery is a complete rewrite by Julian Mehnle <julian@mehnle.net>, based on an
       earlier version written by Meng Weng Wong <mengwong+spf@pobox.com> and Wayne Schlitt
       <wayne@schlitt.net>.



perl v5.12.5                                     2013-08-25                                      SPFQUERY(1)