No I don't have reverse DNS record for IPv6. I will try that. thank you.
On Mon, Mar 1, 2021, at 4:44 PM, Erwan David wrote: > Le 01/03/2021 à 07:01, Philip a écrit : > > > > If IPv4 works then maybe IPv6 isn't set up? > > > > ping6 ipv6.google.com > > > > On 01/03/2021 18:24, Thomas wrote: > > > >> Postfix can't send email to gsuite's MTA via IPV6 interface. > >> But if I change this item to: > >> > >> inet_protocols = ipv4 > >> > >> > >> It works. > >> Can you help explain this? > >> Thank you. > >> > Google demands a reverse in IPv6, Thomas, does your server have one ? > >
