IPv6-working freemail status

[Marco d'Itri]

On Jan 14, SM <sm at resistor.net> wrote:

> Some mail filters unfortunately consider MX hosts resolving to IPv6  
> addresses as invalid and the message is rejected because of that.  You 
> won't encounter that problem with the freemail providers you mentioned.
I doubt that this will be a problem since nowadays some versions of
Microsoft Exchange add Received headers with link-local v6 addresses to
all outgoing messages (even if the server does not have v6
connectivity).

-- 
ciao,
Marco