Tobi: > Am 16.05.2017 um 13:15 schrieb Wietse Venema: > > Tobi: > >>> Client host rejected: cannot find your reverse hostname, > >>> [185.140.48.241] > > Here's a hint: > > > > % host 185.140.48.241 > > ;; connection timed out; no servers could be reached > I can reliably resolve that ip from my server.
Read my reply again, and pay attention to the part that talks about IPv6. Wietse