Subj : New One To : Tommi Koivula From : Michiel van der Vlist Date : Wed Nov 18 2020 14:42:22 Hello Tommi, On Wednesday November 18 2020 12:53, you wrote to me: TK>>> Many smtp servers refuse mail from ip addresses without a valid TK>>> reverse. Both ipv4 and ipv6. MV>> So I heard too. I haven't encountered any problems myself. TK> Try sending mail to google smtp servers. It's not that easy. I have never tried and have no plans to try in the foreseeable future. I stay away from Gmail. MV>> Now that you mention smtp servers, I have not yet run into an MV>> smtp server that supports IPv6... TK> I have been running such a thing for many years. TK> One of the advantages of HE tunnel is that you have static ipv6 and TK> can run smtp server. You need Sage status to unblock port 25. But you have that of course. ;) Cheers, Michiel --- GoldED+/W32-MSVC 1.1.5-b20170303 * Origin: he.net certified sage (2:280/5555) .