                                                           Email Authentication Parameters

   Created
           2009-01-30

   Last Updated
           2009-07-01

   This registry is also available in XML and plain text formats.

   Registries included below

     * Email Authentication Methods
     * Email Authentication Result Names

Email Authentication Methods

   Reference
           [RFC5451]

   Registration Procedures
           IETF Review

     Method          Defined         ptype              property                                             value
   auth       [RFC4954]              smtp   auth                             AUTH parameter of the SMTP MAIL command
   dkim       [RFC4871]              header d                                value of signature "d" tag
                                            i                                value of signature "i" tag
   dkim-adsp  [RFC-ietf-dkim-ssp-10] header from                             Contents of the [RFC5322] From: header field, with comments removed
                                            d                                value of signature "d" tag
                                            from                             value of From header field after removing comments and local-part if
   domainkeys [RFC4870]              header                                  not authenticated
                                            sender                           value of Sender header field after removing comments and local-part if
                                                                             not authenticated
   iprev      [RFC5451]              policy iprev                            client IP address
   sender-id  [RFC4406]              header name of header field used by PRA value of header field used by PRA after removing comments and parts
                                                                             not authenticated
   spf        [RFC4408]              smtp   mailfrom                         envelope sender after removing parts not authenticated
                                            helo                             HELO/EHLO value

Email Authentication Result Names

   Reference
           [RFC5451]

   Registration Procedures
           IETF Review

     Code           Defined         Auth Method(s)              Meaning
                                    dkim           section 2.4.1
                                    domainkeys     section 2.4.1
   none      [RFC5451]              spf            section 2.4.2
                                    sender-id      section 2.4.2
                                    auth           section 2.4.4
                                    dkim-adsp      [RFC-ietf-dkim-ssp-10] section 5.4
                                    dkim           section 2.4.1
                                    domainkeys     section 2.4.1
                                    spf            section 2.4.2
   pass      [RFC5451]              sender-id      section 2.4.2
                                    iprev          section 2.4.3
                                    auth           section 2.4.4
                                    dkim-adsp      [RFC-ietf-dkim-ssp-10] section 5.4
                                    dkim           section 2.4.1
                                    domainkeys     section 2.4.1
   fail      [RFC5451]              iprev          section 2.4.3
                                    auth           section 2.4.4
                                    dkim-adsp      [RFC-ietf-dkim-ssp-10] section 5.4
                                    dkim           section 2.4.1
   policy    [RFC5451]              domainkeys     section 2.4.1
                                    spf            section 2.4.2
                                    sender-id      section 2.4.2
                                    dkim           section 2.4.1
   neutral   [RFC5451]              domainkeys     section 2.4.1
                                    spf            section 2.4.2
                                    sender-id      section 2.4.2
                                    dkim           section 2.4.1
                                    domainkeys     section 2.4.1
                                    spf            section 2.4.2
   temperror [RFC5451]              sender-id      section 2.4.2
                                    iprev          section 2.4.3
                                    auth           section 2.4.4
                                    dkim-adsp      [RFC-ietf-dkim-ssp-10] section 5.4
                                    dkim           section 2.4.1
                                    domainkeys     section 2.4.1
                                    spf            section 2.4.2
   permerror [RFC5451]              sender-id      section 2.4.2
                                    iprev          section 2.4.3
                                    auth           section 2.4.4
                                    dkim-adsp      [RFC-ietf-dkim-ssp-10] section 5.4
   hardfail  [RFC5451]              spf            section 2.4.2
                                    sender-id      section 2.4.2
   softfail  [RFC5451]              spf            section 2.4.2
                                    sender-id      section 2.4.2
   unknown   [RFC-ietf-dkim-ssp-10] dkim-adsp      section 5.4
   discard   [RFC-ietf-dkim-ssp-10] dkim-adsp      section 5.4
   nxdomain  [RFC-ietf-dkim-ssp-10] dkim-adsp      section 5.4
