I don't know if this paper will be accepted, or accepted in this form (it's quite long, so i may pull only one or two suggestions out and submit that) but I want to get this in front of eyes early.
Typo - DKIM
"In Email, verification is largely achieved... such as SPF14 or DMIM15."
Enjoying it so far. Good luck. 👍
emacsen.net is one server in the network