dmarc.abnf

;
; Extracted ABNF from RFC7489 
;

; URI rfc3986
; DIGIT rfc5234
; WSP rfc5234
; Keyword rfc5321
; ALPHA rfc5234
; domain rfc5322
; FWS rfc5322
; domain-name rfc6376
; msg-id rfc5322
; CFWS rfc5322

dmarc-uri       = URI [ "!" 1*DIGIT [ "k" / "m" / "g" / "t" ] ]
                       ; "URI" is imported from [RFC3986]; commas (ASCII
                       ; 0x2C) and exclamation points (ASCII 0x21)
                       ; MUST be encoded; the numeric portion MUST fit
                       ; within an unsigned 64-bit integer

dmarc-record    = dmarc-version dmarc-sep
                       [dmarc-request]
                       [dmarc-sep dmarc-srequest]
                       [dmarc-sep dmarc-auri]
                       [dmarc-sep dmarc-furi]
                       [dmarc-sep dmarc-adkim]
                       [dmarc-sep dmarc-aspf]
                       [dmarc-sep dmarc-ainterval]
                       [dmarc-sep dmarc-fo]
                       [dmarc-sep dmarc-rfmt]
                       [dmarc-sep dmarc-percent]
                       [dmarc-sep]
                       ; components other than dmarc-version and
                       ; dmarc-request may appear in any order

dmarc-version   = "v" *WSP "=" *WSP %x44 %x4d %x41 %x52 %x43 %x31

dmarc-sep       = *WSP %x3b *WSP

dmarc-request   = "p" *WSP "=" *WSP
                       ( "none" / "quarantine" / "reject" )

dmarc-srequest  = "sp" *WSP "=" *WSP
                       ( "none" / "quarantine" / "reject" )

dmarc-auri      = "rua" *WSP "=" *WSP
                       dmarc-uri *(*WSP "," *WSP dmarc-uri)

dmarc-furi      = "ruf" *WSP "=" *WSP
                       dmarc-uri *(*WSP "," *WSP dmarc-uri)

dmarc-adkim     = "adkim" *WSP "=" *WSP
                       ( "r" / "s" )

dmarc-aspf      = "aspf" *WSP "=" *WSP
                       ( "r" / "s" )
dmarc-ainterval = "ri" *WSP "=" *WSP 1*DIGIT

dmarc-fo        = "fo" *WSP "=" *WSP
                       ( "0" / "1" / "d" / "s" )
                       *(*WSP ":" *WSP ( "0" / "1" / "d" / "s" ))

dmarc-rfmt      = "rf"  *WSP "=" *WSP Keyword *(*WSP ":" Keyword)
                       ; registered reporting formats only

dmarc-percent   = "pct" *WSP "=" *WSP
                       1*3DIGIT

filename = receiver "!" policy-domain "!" begin-timestamp
                "!" end-timestamp [ "!" unique-id ] "." extension

unique-id = 1*(ALPHA / DIGIT)

receiver = domain
                ; imported from [RFC5322]

policy-domain   = domain

begin-timestamp = 1*DIGIT
                       ; seconds since 00:00:00 UTC January 1, 1970
                       ; indicating start of the time range contained
                       ; in the report

end-timestamp = 1*DIGIT
                     ; seconds since 00:00:00 UTC January 1, 1970
                     ; indicating end of the time range contained
                     ; in the report

extension = "xml" / "xml.gz"

dmarc-subject = %x52.65.70.6f.72.74 1*FWS       ; "Report"
                     %x44.6f.6d.61.69.6e.3a 1*FWS    ; "Domain:"
                     domain-name 1*FWS               ; from RFC 6376
                     %x53.75.62.6d.69.74.74.65.72.3a ; "Submitter:"
                     1*FWS domain-name 1*FWS
                     %x52.65.70.6f.72.74.2d.49.44.3a ; "Report-ID:"
                     msg-id                          ; from RFC 5322

id-align     = "Identity-Alignment:" [CFWS]
                    ( "none" /
                      dmarc-method *( [CFWS] "," [CFWS] dmarc-method ) )
                    [CFWS]

dmarc-method = ( "dkim" / "spf" )
                    ; each may appear at most once in an id-align