Saturday, July 25, 2020

DKIM validation tool and DKIM/Exchange Setup

Send an email from your DKIM-configured server to an address at https://dkimvalidator.com, and the site will give you a breakdown of what is or isn't working with your DKIM signing.

If you use Exchange, the open source DKIM signer for Exchange is a godsend.
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Basic Principles of Frequency Modulation (1944)

War Department video on why the military needs FM instead of AM. https://www.youtube.com/watch?v=AzvxefRDT84

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