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Re: [Uta] UTA: Server certificate management (Re: Last Call: <draft-ietf-uta-email-tls-certs-05.txt>)

"John R Levine" <johnl@taugh.com> Wed, 02 December 2015 15:40 UTC

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Date: Wed, 02 Dec 2015 10:40:32 -0500
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From: John R Levine <johnl@taugh.com>
To: Alexey Melnikov <alexey.melnikov@isode.com>
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Subject: Re: [Uta] UTA: Server certificate management (Re: Last Call: <draft-ietf-uta-email-tls-certs-05.txt>)
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>> Given that there are mail services with tens of thousands of domains
>> on the same set of servers, and probably at least one mail service
>> with 100,000 domains, this really doesn't scale.
> Yes, I can add a note about this. Also recommending use of SNI (case 1) might 
> be a good idea.

If there's no SRV-ID, you don't need SNI since all 100,000 domains point 
at the same server name.

>>  From previous messages, I understand that both publishing and checking
>> SRV-ID are entirely optional.  It would be nice to adjust to draft to
>> make that clear.
> Ack, I will add some text along what we've discussed.

Tnx.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
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