E-Mails werden geblockt obwohl in Whitelist vorhanden

BasHeijermans · Post by **BasHeijermans** » Mon 29. Aug 2022, 15:59

If I check the IPv6 address:

nslookup 2400:cb00:472:ac46:f9d3
** server can't find 3.d.9.f.6.4.c.a.0.0.0.0.0.0.0.0.4.2.0.1.2.7.4.0.0.0.b.c.0.0.4.2.ip6.arpa: NXDOMAIN

It doesn't resolve, as the error states.

You may want to turn IPv6 off and run only IPv4.
For the mailserver at least.

See what happens.

Fezzi · Post by **Fezzi** » Tue 30. Aug 2022, 04:19

Seems to be late at your place... you try to resolve the IP of Spamhouse...

I have a complete different IPV6 which resolves perfectly...