Re: Any benefit to individual keys for subdomains?

From: Scott Kitterman <>
Date: Thu, 25 Apr 2013 13:08:30 -0400

On Thursday, April 25, 2013 09:57:06 AM Murray S. Kucherawy wrote:
> On Thu, 25 Apr 2013, Steve Jenkins wrote:
> > But I'm just wondering if there is any benefit to breaking it out
> > separately
> There are a few things that come to mind but they're all kind of minor:
> 1) You don't ever have to copy keys from one box to the other, which means
> there's less of an opportunity for mishandling of something sensitive.
> 2) Configuration is ever so slightly more tricky.
> 3) If there's anyone out there collecting per-selector data about
> reputation, those two machines will develop separate reputations. (That
> may actually be a good thing, depending on how they're used.)

4) If a key were ever broken/compromised it would only compromise signatures
on part of the mail stream, not all of it (so it would mitigate the scope of
the damage).

Scott K
Received on Thu Apr 25 2013 - 17:08:44 PST

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