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Re:Network Latencies and Speed of Light by js2 on Saturday January 20, 2018 @08:47PM (#16196459)
Obligatory link to "The case of the 500-mile email":

https://www.ibiblio.org/harris/500milemail.html

Re:Network Latencies and Speed of Light by dfee on Sunday January 21, 2018 @05:08AM (#16197488)
My favorite part: “I diffed it against the sendmail.cf in my home directory. It hadn't been altered--it was a sendmail.cf I had written. And I was fairly certain I hadn't enabled the "FAIL_MAIL_OVER_500_MILES" option.”
Re:Network Latencies and Speed of Light by cesis on Sunday January 21, 2018 @04:54AM (#16197470)
3ms "connect timeout" would be round-trip, right? So are the calculations at the end of the article incorrect?