Subj : New One To : Michiel van der Vlist From : Tommi Koivula Date : Wed Nov 18 2020 09:00:23 On 18.11.2020 1:20, Michiel van der Vlist wrote: > Other than that, it is my understanding that most of the IPv6 network > works pefectly well without reverse DNS. It is rumoured that mail > servers are the exception. > Many smtp servers refuse mail from ip addresses without a valid reverse. Both ipv4 and ipv6. 'Tommi --- Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:4.7) Goanna/20201028 Interlink/52.9.7606 * Origin: nntp://rbb.fidonet.fi - Lake Ylo - Finland (2:221/360.0) .