[UA-EAI] UASG014 - Quick Guide to EAI

[Don Hollander]

Thanks Arnt.

Is there any way to tell whether these 2.5 million installations are the EAI Ready releases?     Is there a repository that counts downloads perhaps?

At this point, we are only looking at the suggestion of using the alias for an ASCII address when encountering a non-EAI MTA.   Can either Exim or Postfix do this?



> On 16/01/2018, at 11:15 PM, Arnt Gulbrandsen <arnt at gulbrandsen.priv.no> wrote:
> 
>> 3) Should we identify UASG Good Practices where they are not addressed one way or another within the RFCs?   Eg Aliasing vs ‘downgrading’ on the fly.
> 
> JFYI, there's anything up to 2.5 million MTAs deployed with EAI support now. (It's difficult to tell exactly since a majority has the support disabled in a configuration file. But a couple of million is a good guess. Roughly a million for each of Postfix and Exim, and a few tens of thousands for up to ten other MTAs.)
> 
> Don't identify any "good practice" that's at odds with either Postfix or Exim. Even if something was a good idea, the deployed code is better by virtue of being deployed. What we need now is agreement and interoperation.
> 
> Anyone who argues that some significant deviation from Postfix/Exim is a good idea risks being heard as saying "the 2008-era RFCs were bad, the 2012-era RFCs were bad, the 2014-16 implementations were bad but THIS time we've got it right". I realise that's not the intention, but it might well be the perception, and that perception would be harmful to further deployment.
> 
> Arnt
> 
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Don Hollander
Universal Acceptance Steering Group
www.uasg.tech
don.hollander at icann.org
Skype: don_hollander



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