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Last updated March 2020


msys.validate.opendkim.get_sig_identity — Fetch the identity associated with a DKIM signature


msys.validate.opendkim.get_sig_identity(dkim, dkim_sig)

dkim: userdata, DKIM type
dkim_sig: userdata, DKIM_SIGINFO type


This function fetches the identity associated with a DKIM signature.

It takes the following parameters:

  • dkim – array of DKIM_SIGINFO objects created by msys.validate.opendkim.verify.

  • dkim_sig – Use msys.validate.opendkim.get_num_sigs and msys.validate.opendkim.get_sig to get a DKIM_SIGINFO object to pass to this function. For a description of the DKIM_SIGINFO object, see DKIM_DSIGINFO

This function requires the opendkim module.

Enable this function with the statement require('msys.validate.opendkim');.

This function returns the identity and the DKIM status DKIM_STAT.

The DKIM status DKIM_STAT can be one of the following values:

  • DKIM_STAT_OK – successful completion

  • DKIM_STAT_BADSIG – signature did not match headers and body

  • DKIM_STAT_NOSIG – no signature present

  • DKIM_STAT_NOKEY – no key available for verifying

  • DKIM_STAT_CANTVRFY – cannot get key for verifying

  • DKIM_STAT_SYNTAX – message is not in valid syntax

  • DKIM_STAT_NORESOURCE – resource unavailable

  • DKIM_STAT_INTERNAL – internal error

  • DKIM_STAT_REVOKED – signing key revoked

  • DKIM_STAT_INVALID – invalid parameter(s)

  • DKIM_STAT_NOTIMPLEMENT – function not implemented

  • DKIM_STAT_KEYFAIL – key retrieval failed (try again later)

  • DKIM_STAT_CBREJECT – callback requested message rejection

  • DKIM_STAT_CBTRYAGAIN – callback cannot complete (try again later)

  • DKIM_STAT_CBERROR – unspecified callback error

See Also

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