why IPv6 isn't ready for prime time, SMTP edition

John Levine johnl at iecc.com
Tue Mar 25 22:19:39 UTC 2014


In article <5331EDAB.8000303 at 2mbit.com> you write:
>On 3/25/14, 11:56 AM, John Levine wrote:
>> I think this would be a good time to fix your mail server setup.
>> You're never going to get much v6 mail delivered without rDNS, because
>> receivers won't even look at your mail to see if it's authenticated.
>>
>> CenturyLink is reasonably technically clued so it shouldn't be
>> impossible to get them to fix it.
>
>
>Nothing wrong with my mail server setup, except the lack of RDNS. 
>Lacking reverse should be one of many things to consider with rejecting 
>e-mails, but should not be the only condition.

"It would be inconvenient for me to make this change, therefore
everyone else should change instead."

Don't hold your breath.

R's,
John



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