Re: [dbound] draft-brotman-rdbd

"John R Levine" <johnl@taugh.com> Mon, 01 April 2019 20:39 UTC

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Date: 1 Apr 2019 16:39:42 -0400
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From: "John R Levine" <johnl@taugh.com>
To: "Stephen Farrell" <stephen.farrell@cs.tcd.ie>
Cc: dbound@ietf.org
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References: <20190401161900.764062011356DA@ary.qy> <71b8a4dd-8bd6-c24c-e8fd-e76c27bee06a@cs.tcd.ie>
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Subject: Re: [dbound] draft-brotman-rdbd
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>> As far as I can tell nobody does anything like that for DKIM keys.
>
> I don't know if anyone does, but wouldn't be surprised if some 
> anti-abuse folks reacted to a mail provider switching from one 
> long-lived key selector to a new one not seen anywhere before. (But I'm 
> speculating there, others who do that kind of thing for real would need 
> to confirm that or not.)

That's more likely to be taken as a positive signal, that they finally got 
their key rotation working.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly