On 19.02.2026 13:20 Greg Wooledge wrote: > I don't think IPv6 works from this host at all. I tried a few other > IPv6 addresses, and couldn't ping any of them. If I'm correct then > disabling IPv6 in Postfix (which I've already done) seems like the > best solution to that.
That is the worst solution. Make sure IPv6 works or remove all GUA addresses from your system, so no other application will try to use it and fail. How did you set it up?
