Email Authentication Parameters

Created
2009-01-30
Last Updated
2015-08-24
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Registries included below

Email Authentication Methods

Registration Procedure(s)
Expert Review
Expert(s)
Murray Kucherawy (primary), Dave Crocker (secondary), Scott Kitterman (secondary)
Reference
[RFC7601]
Available Formats

CSV
Method Definition ptype Property Value Status Version
auth [RFC7601] smtp auth identity confirmed by the AUTH command active 1
auth [RFC7601] smtp mailfrom AUTH parameter of the SMTP MAIL command active 1
dkim [RFC7601] header d value of signature "d" tag active 1
dkim [RFC7601] header i value of signature "i" tag active 1
dkim [RFC6008] header b full or partial value of signature "b" tag active 1
dkim-adsp [RFC5617][RFC7601] header from contents of the [RFC5322] From: header field, with comments removed deprecated 1
dkim-atps [RFC6541] header from contents of the [RFC5322] From: header field, with comments removed active 1
dmarc [RFC7489] header from the domain portion of the RFC5322.From field active 1
domainkeys [RFC7601] header d value of signature "d" tag deprecated 1
domainkeys [RFC7601] header from contents of the [RFC5322] From: header field, after removing comments, and removing the local-part and following "@" if not authenticated deprecated 1
domainkeys [RFC7601] header sender contents of the [RFC5322] Sender: header field, after removing comments, and removing the local-part and following "@" if not authenticated deprecated 1
iprev [RFC7601] 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 PRA value of header field used by PRA after removing comments and parts not authenticated active 1
smime [RFC7281] body smime-part The MIME body part reference that contains the S/MIME signature. See [Section 3.2.1 of RFC7281] for full syntax. active 1
smime [RFC7281] body smime-identifer The email address [RFC5322] associated with the S/MIME signature. The email address can be specified explicitly or derived from the identity of the signer. Note that this email address can correspond to a countersignature. active 1
smime [RFC7281] body smime-serial serialNumber of the certificate associated with the S/MIME signature (see Section 4.1.2.2 of [RFC5280]). active 1
smime [RFC7281] body smime-issuer Issuer name DN (e.g., "CN=CA1,ST=BC,c=CA") of the certificate associated with the S/MIME signature (see section 4.1.2.2 of [RFC5280]). active 1
spf [RFC7601] smtp mailfrom envelope sender after removing parts not authenticated active 1
spf [RFC7601] 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), Dave Crocker (secondary), Scott Kitterman (secondary)
Reference
[RFC7601]
Available Formats

CSV
Auth Method(s) Code Specification Status
auth fail [RFC7601] section 2.7.4 active
auth none [RFC7601] section 2.7.4 active
auth pass [RFC7601] section 2.7.4 active
auth permerror [RFC7601] section 2.7.4 active
auth temperror [RFC7601] section 2.7.4 active
dkim fail [RFC7601] section 2.7.1 active
dkim neutral [RFC7601] section 2.7.1 active
dkim none [RFC7601] section 2.7.1 active
dkim pass [RFC7601] section 2.7.1 active
dkim permerror [RFC7601] section 2.7.1 active
dkim policy [RFC7601] section 2.7.1 active
dkim temperror [RFC7601] 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
domainkeys fail [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 [RFC7601] section 2.7.3 active
iprev pass [RFC7601] section 2.7.3 active
iprev permerror [RFC7601] section 2.7.3 active
iprev temperror [RFC7601] 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 active
sender-id hardfail [RFC5451] section 2.4.2 deprecated
sender-id neutral [RFC7601] section 2.7.2 active
sender-id none [RFC7601] section 2.7.2 active
sender-id pass [RFC7601] section 2.7.2 active
sender-id permerror [RFC7601] section 2.7.2 active
sender-id policy [RFC7601] section 2.7.2 active
sender-id softfail [RFC7601] section 2.7.2 active
sender-id temperror [RFC7601] section 2.7.2 active
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 [RFC7601] section 2.7.2 active
spf hardfail [RFC5451] section 2.4.2 deprecated
spf neutral [RFC7601] section 2.7.2 active
spf none [RFC7601] section 2.7.2 active
spf pass [RFC7601] section 2.7.2 active
spf permerror [RFC7601] section 2.7.2 active
spf policy [RFC7601] section 2.7.2 active
spf softfail [RFC7601] section 2.7.2 active
spf temperror [RFC7601] 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), Dave Crocker (secondary), Scott Kitterman (secondary)
Reference
[RFC7601]
Available Formats

CSV
ptype Definition Description
body [RFC7601] section 2.3 The property being reported was found in the body of the message.
header [RFC7601] section 2.3 The property being reported was found in a header field of the message.
policy [RFC7601] section 2.3 The property being reported relates to a locally-defined policy.
smtp [RFC7601] section 2.3 The property being reported is a parameter to an SMTP command used to relay the message.