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

       spfquery - checks if an IP address is an SPF-authorized SMTP sender for a domain


       spfquery --mail-from|-m|--sender|-s email-address|domain --helo|-h hostname --ip|-i ip-address [OPTIONS]

       spfquery --helo|-h hostname --ip|-i ip-address [OPTIONS]

       spfquery --file|-f filename|- [OPTIONS]

       spfquery --version|-V

       spfquery --help

       spfquery performs Sender Policy Framework (SPF) authorization checks based on the command-line arguments or
       data given in a file or on standard input.  For information on SPF see <>;.

       The --mail-from form checks if the given ip-address is an authorized SMTP sender for the given envelope sender
       domain or email-address and "HELO" hostname (so-called "MAIL FROM" check).  If a domain is given, "postmaster"
       will be substituted for the localpart.

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

       The --file form reads "ip-address sender-address helo-hostname" tuples from the file with the specified
       filename, or from standard input if filename is -.

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

       The --mail-from, --helo, and --file forms optionally take any of the following additional OPTIONS:

           Print out debug information.

       --default-explanation string
           Use the specified string as the default explanation if the SPF record does not specify an explanation
           string itself.

       --guess spf-terms
           Use spf-terms as a default record if no SPF record is found.  This is a non-standard feature.

           Do (not) print any comments found when reading from a file or from standard input.

       --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: "".

       --max-lookup-count n
           Perform a maximum of n SPF record lookups.  Defaults to 10.

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

       --override domain=spf-record
       --fallback domain=spf-record
           Set overrides and fallbacks.  Each option can be specified multiple times.  For example: "--override
 'v=spf1 -all' --override '*'='v=spf1 a mx -all' --fallback'v=spf1
           -all'".  This is a non-standard feature.

       --rcpt-to email-addresses
           Automatically allow the secondary MXes of the comma-separated list of email-addresses.

           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.

           Do (not) perform "" accreditation checking.  Disabled by default.  This is a non-
           standard feature.

       pass      The specified IP address is an authorized mailer for the sender domain/address.

       fail      The specified IP address is not an authorized mailer for the sender domain/address.

       softfail  The specified IP address is not an authorized mailer for the sender domain/address, however the
                 domain is still in the process of transitioning to SPF.

       neutral   The sender domain makes no assertion about the status of the IP address.

       unknown   The sender domain has a syntax error in its SPF record.

       error     A temporary DNS error occurred while resolving the sender policy.  Try again later.

       none      There is no SPF record for the sender domain.

       0   pass

       1   fail

       2   softfail

       3   neutral

       4   unknown

       5   error

       6   none

           spfquery -i -m -h
           spfquery -f test_data
           echo "" | spfquery -f -

       Mail::SPF::Query, spfd

       This version of spfquery was written by Wayne Schlitt <>.

       This man-page was written by Julian Mehnle <>, based on a man-page written by S. Zachariah
       Sprackett for an older version of spfquery.

perl v5.10.1                      2006-01-22                       SPFQUERY(1)