Hi,
we have launched IPv6 on our global network. The mail server has so far only worked on IPv4. Today, while sending e-mails, there were a lot of phrases with errors:
How can I add the appropriate entries so that the error no longer occurs?
Hestia currently does not support ipv6
Even when HestiaCP adds IPv6 support, this is something that is set outside of HestiaCP. Read the guidelines linked in the Google error message and set appropriate PTR records with your ISP or hosting provider.