> On Thu, Nov 18, 2021 at 10:55:00AM +0100, Simon Hoffmann wrote: > > > > > > > > > >GMail still wont accept my IPv6 submitted mails. > > > > > > Are you using ipv6 connectivity over tunnel from tunnelbroker.net? > > > > Nope. My relays have "real" IPv6 /64 networks assigned to their interfaces > > natively. > > > > However, I'd still like to only use IPv4 when sending messages. > > Why? Why not fix the IPv6 issue? Our servers deliver to gmail over IPv6 with > no issues.
Hmm, thats interesting. The last time i googled it said that its a known issue with gmail and one should use IPv4. Also, the GMail help and the error message were all to no use. I will try sending via IPv6 later today and report back. If you like, you can lookup DNS recors for mxbackup.hetzner.hoffbox.net Should be correct. PTR has the same name as A/AAAa, A and AAAA are present... > > > Suggestions? > > Set a fixed IPv4 source address using the src parameter in the action > directive > of your smtpd.conf. Yeah, thats a good idea, thanks! Will be my fallback if i cant get v6 to work.
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