On 6/8/11 1:29 AM, Neil Long wrote: > > On 8 Jun 2011, at 02:13, TJ wrote: > >> On Tue, Jun 7, 2011 at 21:04, Iljitsch van Beijnum >> <iljit...@muada.com>wrote: >> >>> On 8 jun 2011, at 2:31, TJ wrote: >>> >>>> ... and Gmail, too ... >>> >>> imap.gmail.com only has IPv4, though. >>> >> >> Good catch, applies to pop & smtp as well. Baby steps, I guess? >> /TJ >> > > Sadly, although I can connect over IPv6 to Gmail an email sent from > within the browser to an IPv6-only address (AAAA but also an MX) still > gives the "DNS Error: DNS server returned answer with no data" message. > > Transport is one thing but getting applications working with an IPv6 > world will take longer (not that it is that hard :-) ) >
I've been doing IPv6 with SMTP and POP3/IMAP for quite a while now without any magic tricks. In fact, I've found SMTP to be a far better test in the early days since it's non-interactive and invisible to the customer if it took time to fall back to IPv4. ~Seth