> but note in the DMARC record that you quote: ' p=none': Gmail is
> telling other servers *not* to block (or quarantine) emails from
> @gmail.com that do not obey SPF or DKIM rules. Yahoo by contrast:
>
> # dig +short _dmarc.yahoo.com TXT
> "v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_y_rua@yahoo.com;"

IME some sites will still block or quarantine.