On Thu 27/Apr/2023 16:30:14 +0200 Brotman, Alex wrote:
Attempt to make it a tad more concise (I think), altering some of the language:
---------------------
There can be inherent damage to the ability to use certain SMTP-based systems
in conjunction with a policy of quarantine or reject. These could include,
though are not limited to, mailing lists, forwarding services, and other types
of indirect mail flows. Especially in situations where the sending domain is
SPF-only, or the intermediary is known to alter messages. If the users of the
domain may utilize these types of systems, the domain administrator MUST NOT
deploy a policy of quarantine or reject without serious considerations to the
impact to interoperability. These considerations will be informed by careful
analysis of DMARC aggregate reports prior to deploying such a policy. Some
third-party systems may be willing to create a workaround for these situations,
though it cannot be guaranteed. Domain owners MAY choose to create a
sub-domain (listmail.example.org) or cousin domain (listmail-example.org) which
uses a different policy for users wishing to utilize those services
.
---------------------
I like this kind of text. I'd still s/MUST NOT/must not/. Also, state that
serious consideration includes testing p=quarantine; pct=0^H t=y.
Best
Ale
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