On Sat 05/Aug/2023 22:24:28 +0000 Tim Wicinski wrote:
[...]
5.3. General Record Format
auth: (comma-separated plain-text list of dmarc-methods; OPTIONAL; default is
"spf,dkim")
Indicates the supported authentication methods. The order of the list is
not significant and
unknown methods are ignored. Possible values are as follows:
dkim: Authenticate with DKIM
spf: Authenticate with SPF
An empty list indicates the tag is ignored.
According to the grammar below, an empty list is a syntax error. I'd keep
the syntax as is and remove the line mentioning an empty list.
If any listed method passes and is aligned, then DMARC passes.
5.4. Formal Definition
dmarc-method = "dkim" / "spf"
dmarc-auth = "auth" equals dmarc-method *(*WSP "," *WSP dmarc-method)
Best
Ale
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