On Mon, Jun 13, 2022 at 11:51:24AM +0200, Benny Pedersen <m...@junc.eu> wrote:
> On 2022-06-13 10:52, ran...@skurelabs.com wrote: > > > Please suggest how to resolve this. Initially smtp_tls_security_level > > = may, was verify and sending emails were getting rejected, then we > > made it may. After that we for rejection emails from google. > > https://multirbl.valli.org/lookup/2a01%3A4f9%3Ac012%3A7b57%3A%3A1.html > > FCrDNS Test failed > > to resolve this part, add aaaa dns with that ipv6, then make a matching > reverse ptr > > problem solved for this ip > > contact ab...@hetzner.com if more help is needed > > if hetzner dont allow ptr setup then dont send mail with ipv6, but you can > recieve email on ipv6 just fine, just not send it If you can't get a PTR record setup for some reason, you could instead reduce the chance of sending mail via IPv6 with: smtp_address_preference = ipv4 I had to do that when an RBL tainted the network that my single IPv6 address is part of. cheers, raf
