In the Netherlands but also in other countries you can use internet.nl
to test your e-mail and webserver.
It test your e-mailserver for ipv6 connectivity, SPF, DMARC and DKIM.
My mailserver scores sometimes 100%, but also sometimes lower because it
cann't connect postfix on ipv6.
In main.cf mynetworks and inet_interfaces has my ipv4 and ipv6 address.
inet_protocols = all.
In the rest of my configs I'm using my ipv4 address.
What is possible wrong in postfix or is it the connection?
Gr.,
Jack
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