On 24/7/2020 8:12 μ.μ., Luis E. Muñoz via mailop wrote:
On 24 Jul 2020, at 7:48, Jaroslaw Rafa via mailop wrote:
Not true, I was (and am) always delivering mail via IPv4 and had
mentioned
problems (and also other people whose complaints I have read don't
use IPv6
as well).
I see no difference in IPv4 vs IPv6. You do need to have rDNS properly
setup and we use SPF and DKIM, no DMARC. IPs from a cloud provider to
boot. Good deliverability.
When I tried IPV6 from Hetzner some time ago, gmail dropped everything
outright until I set up DKIM.
--GM
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