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AuthenticationHeaderTrait

Authentication / deliverability header field names (RFC 6376 DKIM, RFC 8601 Authentication-Results, RFC 8617 ARC, RFC 3834).

Mixed into MailHeader.

ARC_AUTHENTICATION_RESULTS : string = 'ARC-Authentication-Results': `ARC-Authentication-Results` — ARC authentication results (RFC 8617; may repeat).
ARC_MESSAGE_SIGNATURE : string = 'ARC-Message-Signature': `ARC-Message-Signature` — ARC message signature (RFC 8617; may repeat).
ARC_SEAL : string = 'ARC-Seal': `ARC-Seal` — Authenticated Received Chain seal (RFC 8617; may repeat).
AUTHENTICATION_RESULTS : string = 'Authentication-Results': `Authentication-Results` — SPF/DKIM/DMARC results recorded by a receiver (RFC 8601; may repeat).
AUTO_SUBMITTED : string = 'Auto-Submitted': `Auto-Submitted` — Marks automatically generated messages to prevent loops (RFC 3834).
DKIM_SIGNATURE : string = 'DKIM-Signature': `DKIM-Signature` — DomainKeys Identified Mail signature (RFC 6376; may repeat).

`ARC-Authentication-Results` — ARC authentication results (RFC 8617; may repeat).


    public
        string
    ARC_AUTHENTICATION_RESULTS
    = 'ARC-Authentication-Results'

`ARC-Message-Signature` — ARC message signature (RFC 8617; may repeat).


    public
        string
    ARC_MESSAGE_SIGNATURE
    = 'ARC-Message-Signature'

`ARC-Seal` — Authenticated Received Chain seal (RFC 8617; may repeat).


    public
        string
    ARC_SEAL
    = 'ARC-Seal'

`Authentication-Results` — SPF/DKIM/DMARC results recorded by a receiver (RFC 8601; may repeat).


    public
        string
    AUTHENTICATION_RESULTS
    = 'Authentication-Results'

`Auto-Submitted` — Marks automatically generated messages to prevent loops (RFC 3834).


    public
        string
    AUTO_SUBMITTED
    = 'Auto-Submitted'

`DKIM-Signature` — DomainKeys Identified Mail signature (RFC 6376; may repeat).


    public
        string
    DKIM_SIGNATURE
    = 'DKIM-Signature'