> > and spf is unapplicable since the envelope from is null.
>
> Isn't that the case with all bounce messages?
Matus UHLAR - fantomas:
usually yes, it should be. But we of course can't guarantee that.
This also means that SPF can't be used, thus either those messages have DKIM
signatures, or they CAN NOT pass DMARC.
On 22.04.22 16:22, David Bürgin wrote:
In SPF, when the reverse-path is null, the HELO name is instead
verified. So a null reverse-path can work fine with relaxed alignment.
but related to DMARC, this could only be applied only in case of the HELO
being identical to From: domain I guess
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Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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