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  • Published Answer

    outbound IPv6 tcp/25 blocked outbound

    That’s the point of this whole thread, that you want to deny. DO droplets cannot connect to IPv6 SMTP. An example is Gmail, smtp.go…
    By frogger
  • Published Question

    outbound IPv6 tcp/25 blocked outbound

    I've been running a dual-stacked IPv4/IPv6 email server for a while now on DO, which works fine for inbound mail. However, outbound IPv6 connections to tcp/25 are clearly blocked by DO, which is pretty maddening. The...
    2 By frogger IPv6
  • Published Answer

    SSH through IPv6 times out

    Assuming you have a debian-based linux droplet (like ubuntu) then your IPv4 and IPv6 static network settings should be in /etc/netw…
    By frogger
  • Published Answer

    SSH through IPv6 times out

    Also realize that your ip6tables is separate from your iptables (which is IPv4-only), so make sure that any filters allow SSH.
    By frogger
  • Published Answer

    SSH through IPv6 times out

    You probably just got the DNS AAAA record wrong. Check the IPv6 address you put in the DNS AAAA record. That is, make sure it mat…
    By frogger