Re: [Exim] v6

>Itojun - Hmm...maybe I should send you a private email, but from my
>host - who is IPv6 ready, I still send mail to you on the IPv4
>interface. I wonder why?
(snip)
>However, IPv6'd site delivery to my other hosts [leviathan.lucifer.at] works..

    because leviathan.lucifer.at has IPv6-only FQDN as the most preferred
    MX.  exim's behavior with respect to MX preference is fine, the issue
    is in ordering between IPv4/v6 addresses under the same MX preference.

itojun