Re: [GIT PULL] arm64 updates 6.15-rc1

[Linus Torvalds]

On Tue, 25 Mar 2025 at 17:18, Catalin Marinas <catalin.marinas@xxxxxxx> wrote:
>
> Hmm, I thought that setting "Return-Path: cmarinas@xxxxxxxxxx" would be
> enough.

No, DKIM is designed to make forging emails hard, and that very much
means that it checks the "from" address, not some random header that
humans never look at.

> This header left my machine but seems to have disappeared in the
> lore archive. Not sure how much difference it would have made, IIUC
> that's more for SPF than DKIM.

I do see the

   Return-Path: <cmarinas@xxxxxxxxxx>

but no, that shouldn't make any difference at all, because that's not
what dkim matches.

The spf is fine, but honestly, spf on its own is kind of useless.

> If the envelope sender doesn't work, I may have to switch to using
> cmarinas@xxxxxxxxxx, at least for pull requests.

That's fine, and is probably the easiest thing to do.

            Linus