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DKIM inspection - is there a performance impact?


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#1 Michael Manning

Michael Manning
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Posted 22 August 2019 - 11:32 AM

I haven't had DKIM inspection enabled under Sender Authentication as the thought of taking a performance hit put me off, but have decided to go ahead and enable it now and have messages tagged. Those of you who have this feature enabled, what is the impact on performance in your experience?

 

Thank you



#2 Johnny Lee Conroy

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Posted 22 August 2019 - 12:09 PM

Hi Michael:

 

We did the same exact thing about two weeks ago and saw no performance impact at all.  Oddly, we also have zero messages tagged as a result.  Makes me wonder if the DKIM checking is even working.  I've since turned it back off because it's either not working or it's not having any impact on the amount of spam coming in, so why have it turned on?

 

Would love to hear from others if they've had a different experience with it.

 

Johnny Lee