IPv6 day fun is beginning!

Seth Mattinen sethm at rollernet.us
Wed Jun 8 12:22:07 CDT 2011


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
>> <iljitsch at 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




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