Internet Assigned Numbers Authority Email Authentication Parameters Created 2009-01-30 Last Updated 2020-09-22 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registries included below * Email Authentication Methods * Email Authentication Result Names * Email Authentication Property Types Email Authentication Methods Registration Procedure(s) Expert Review Expert(s) Murray Kucherawy (primary), Scott Kitterman (secondary) Reference [RFC8601] Available Formats [IMG] CSV Method Definition ptype Property Value Status Version arc [RFC8617, Section 6] smtp remote-ip IP address (v4 or v6) of originating SMTP connection active 1 arc [RFC8617, Section 6] header oldest-pass The instance id of the oldest validating AMS or 0 if they active 1 all pass (see [RFC8617, Section 5.2]) auth [RFC8601] smtp auth identity confirmed by the AUTH command active 1 auth [RFC8601] smtp mailfrom AUTH parameter of the SMTP MAIL command active 1 dkim [RFC8601] header d value of signature "d" tag active 1 dkim [RFC8601] header i value of signature "i" tag active 1 dkim [RFC6008] header b full or partial value of signature "b" tag active 1 dkim [RFC8601] header a value of signature "a" tag active 1 dkim [RFC8601] header s value of signature "s" tag active 1 dkim-adsp [RFC5617][RFC7601] header from contents of the [RFC5322] From: header field, with deprecated 1 comments removed dkim-atps [RFC6541] header from contents of the [RFC5322] From: header field, with active 1 comments removed dmarc [RFC7489] header from the domain portion of the RFC5322.From field active 1 Evaluated DMARC policy applied/to be applied after policy dmarc [RFC7489] policy dmarc options including pct: and sp: have been processed. Must active 1 be none, quarantine, or reject. dnswl [RFC8904] dns zone DNSWL publicly accessible query root domain active 1 dnswl [RFC8904] policy ip type A response received (or a quoted, comma-separated active 1 list thereof) dnswl [RFC8904] policy txt type TXT query response active 1 dnswl [RFC8904] dns sec one of "yes" for DNSSEC authenticated data, "no" for not active 1 signed, or "na" for not applicable domainkeys [RFC7601] header d value of signature "d" tag deprecated 1 contents of the [RFC5322] From: header field, after domainkeys [RFC7601] header from removing comments, and removing the local-part and deprecated 1 following "@" if not authenticated contents of the [RFC5322] Sender: header field, after domainkeys [RFC7601] header sender removing comments, and removing the local-part and deprecated 1 following "@" if not authenticated iprev [RFC8601] policy iprev client IP address active 1 rrvs [RFC7293] smtp rcptto envelope recipient active 1 sender-id [RFC7601] header name of header field used by value of header field used by PRA after removing comments deprecated 1 PRA and parts not authenticated The MIME body part reference that contains the S/MIME smime [RFC7281] body smime-part signature. See [Section 3.2.1 of RFC7281] for full active 1 syntax. The email address [RFC5322] associated with the S/MIME smime [RFC7281] body smime-identifer signature. The email address can be specified explicitly active 1 or derived from the identity of the signer. Note that this email address can correspond to a countersignature. smime [RFC7281] body smime-serial serialNumber of the certificate associated with the active 1 S/MIME signature (see Section 4.1.2.2 of [RFC5280]). Issuer name DN (e.g., "CN=CA1,ST=BC,c=CA") of the smime [RFC7281] body smime-issuer certificate associated with the S/MIME signature (see active 1 section 4.1.2.2 of [RFC5280]). spf [RFC8601] smtp mailfrom envelope sender after removing parts not authenticated active 1 spf [RFC8601] smtp helo HELO/EHLO value active 1 vbr [RFC6212] header md DNS domain name used as the subject of a VBR query active 1 vbr [RFC6212] header mv DNS domain name of the entity acting as the voucher active 1 Email Authentication Result Names Registration Procedure(s) Expert Review Expert(s) Murray Kucherawy (primary), Scott Kitterman (secondary) Reference [RFC8601] Available Formats [IMG] CSV Auth Method(s) Code Specification Status arc fail [RFC8617] section 2.2 active arc none [RFC8617] section 2.2 active arc pass [RFC8617] section 2.2 active auth fail [RFC8601] section 2.7.4 active auth none [RFC8601] section 2.7.4 active auth pass [RFC8601] section 2.7.4 active auth permerror [RFC8601] section 2.7.4 active auth temperror [RFC8601] section 2.7.4 active dkim fail [RFC8601] section 2.7.1 active dkim neutral [RFC8601] section 2.7.1 active dkim none [RFC8601] section 2.7.1 active dkim pass [RFC8601] section 2.7.1 active dkim permerror [RFC8601] section 2.7.1 active dkim policy [RFC8601] section 2.7.1 active dkim temperror [RFC8601] section 2.7.1 active dkim-adsp discard [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp fail [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp none [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp nxdomain [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp pass [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp permerror [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp temperror [RFC7601], [RFC5617] section 5.4 deprecated dkim-adsp unknown [RFC7601], [RFC5617] section 5.4 deprecated dkim-atps fail [RFC6541] section 8.3 active dkim-atps none [RFC6541] section 8.3 active dkim-atps pass [RFC6541] section 8.3 active dkim-atps permerror [RFC6541] section 8.3 active dkim-atps temperror [RFC6541] section 8.3 active dmarc fail [RFC7489] section 11.2 active dmarc none [RFC7489] section 11.2 active dmarc pass [RFC7489] section 11.2 active dmarc permerror [RFC7489] section 11.2 active dmarc temperror [RFC7489] active dnswl none [RFC8904] active dnswl pass [RFC8904] active dnswl permerror [RFC8904] active dnswl temperror [RFC8904] active domainkeys temperror [RFC7601] section 2.7.1 deprecated domainkeys neutral [RFC7601] section 2.7.1 deprecated domainkeys none [RFC7601] section 2.7.1 deprecated domainkeys permerror [RFC7601] section 2.7.1 deprecated domainkeys policy [RFC7601] section 2.7.1 deprecated domainkeys pass [RFC7601] section 2.7.1 deprecated domainkeys temperror [RFC7601] section 2.7.1 deprecated iprev fail [RFC8601] section 2.7.3 active iprev pass [RFC8601] section 2.7.3 active iprev permerror [RFC8601] section 2.7.3 active iprev temperror [RFC8601] section 2.7.3 active rrvs fail [RFC7293] section 11 active rrvs none [RFC7293] section 11 active rrvs pass [RFC7293] section 11 active rrvs permerror [RFC7293] section 11 active rrvs temperror [RFC7293] section 11 active rrvs unknown [RFC7293] section 11 active sender-id fail [RFC7601] section 2.7.2 deprecated sender-id hardfail [RFC5451] section 2.4.2 deprecated sender-id neutral [RFC7601] section 2.7.2 deprecated sender-id none [RFC7601] section 2.7.2 deprecated sender-id pass [RFC7601] section 2.7.2 deprecated sender-id permerror [RFC7601] section 2.7.2 deprecated sender-id policy [RFC7601] section 2.7.2 deprecated sender-id softfail [RFC7601] section 2.7.2 deprecated sender-id temperror [RFC7601] section 2.7.2 deprecated smime fail [RFC7281] section 3.1 active smime neutral [RFC7281] section 3.1 active smime none [RFC7281] section 3.1 active smime pass [RFC7281] section 3.1 active smime permerror [RFC7281] section 3.1 active smime policy [RFC7281] section 3.1 active smime temperror [RFC7281] section 3.1 active spf fail [RFC8601] section 2.7.2 active spf hardfail [RFC5451] section 2.4.2 deprecated spf neutral [RFC8601] section 2.7.2 active spf none [RFC8601] section 2.7.2 active spf pass [RFC8601] section 2.7.2 active spf permerror [RFC8601] section 2.7.2 active spf policy [RFC8601] section 2.7.2 active spf softfail [RFC8601] section 2.7.2 active spf temperror [RFC8601] section 2.7.2 active vbr fail [RFC6212] section 4 active vbr none [RFC6212] section 4 active vbr pass [RFC6212] section 4 active vbr permerror [RFC6212] section 4 active vbr temperror [RFC6212] section 4 active Email Authentication Property Types Registration Procedure(s) Expert Review Expert(s) Murray Kucherawy (primary), Scott Kitterman (secondary) Reference [RFC8601] Available Formats [IMG] CSV ptype Definition Description body [RFC8601] section 2.3 The property being reported was found in the body of the message. dns [RFC8904] The property being reported belongs to the Domain Name System. header [RFC8601] section 2.3 The property being reported was found in a header field of the message. policy [RFC8601] section 2.3 The property being reported relates to a locally-defined policy. smtp [RFC8601] section 2.3 The property being reported is a parameter to an SMTP command used to relay the message. 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