Subj : New One To : Tommi Koivula From : Michiel van der Vlist Date : Wed Nov 18 2020 10:36:28 Hello Tommi, On Wednesday November 18 2020 09:00, you wrote to me: >> 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. >> TK> Many smtp servers refuse mail from ip addresses without a valid TK> reverse. Both ipv4 and ipv6. So I heard too. I haven't encountered any problems myself. Now that you mention smtp servers, I have not yet run into an smtp server that supports IPv6... Cheers, Michiel --- GoldED+/W32-MSVC 1.1.5-b20170303 * Origin: he.net certified sage (2:280/5555) .