Thanks everyone, I'm on the hunt for what I've done wrong. I seem to be getting conflicting IPv6 addresses which isn't helping
Thanks Robert Sent from my iPad On 31 May 2016, at 19:40, Steve Wardle <st...@swid.co.uk> wrote: >> On 31 May 2016, at 14:36, Robert Chalmers <rob...@chalmers.com.au> wrote: >> >> I have a message for en.internet.nl advising me that >> “Modern internet address? Not reachable or improvements possible (IPv6)” >> -> >> "Unfortunately, this e-mail domain can not be reached by senders using >> modern IPv6 addresses or there is an error in its configuration. It is not >> yet part of the modern Internet. You should ask your e-mail provider to >> enable IPv6 or to fix the issues in its configuration.” >> >> So I’m trying to figure out just what it is thats wrong with it. I’ve had >> something of a similar message from Gmail. >> My service provider only recently enabled IPv6 for customers, and although >> I’m pretty far along with it, I could use a checking server somewhere that >> actually delved into it a bit. >> >> Does Postfix need anything special - I can’t see anything in the docs. >> >> Thanks >> Robert > > Hi Robert, > > http://ipv6-test.com for the basics. > > dig chalmers.com.au doesn’t give any IPv6 addresses from here. > > The IPv6 address in your TXT SPF record doesn’t have a reverse DNS record and > it doesn’t answer pings. > > Steve