On 12/30/20 7:31 AM, Todd Herr wrote:
On Wed, Dec 30, 2020 at 8:56 AM Michael Thomas <[email protected] <mailto:[email protected]>> wrote:


    On 12/30/20 5:48 AM, Todd Herr wrote:
    On Wed, Dec 30, 2020 at 4:42 AM Alessandro Vesely <[email protected]
    <mailto:[email protected]>> wrote:

        On Tue 29/Dec/2020 22:02:20 +0100 Michael Thomas wrote:
        > On 12/29/20 12:47 PM, Todd Herr wrote:
        >>> Unless those values in parens are a MUST requirement, the
        dmarc=fail is
        >>> highly misleading.


        I agree with Michael here.  When a (trusted) dmarc=fail is
        seen downstream, its consumers neither know what policy was
        specified nor whether it was honored.


    That depends on your definition of "downstream", I guess.

    MDAs and local clients (web and mobile) at the mailbox provider
    will have the information they need.

    No they don't. I keep saying this, but you guys keep dismissing
    me. Painting up "fail" for p=none is absolutely the wrong thing to
    do. It is not what the user expects to see for a piece of mail
    that is perfectly acceptable to the originating domain. This is an
    error or omission, full stop.



I'm sorry, but I don't know that I've seen an example of painting up "fail" for p=none in my Gmail or Google Apps clients; it is possible you can share a screencap of an example of what you're referring to here, please?

I already said there is a thunderbird extension called dkim-verify that does exactly that. It says "DMARC: fail". That is highly misleading to the user.

Mike

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