On Mon, Jul 18, 2016 at 08:53:02AM -0500, Andy Koch <andy@gawul.net> wrote a message of 15 lines which said:

The NANOG mailing list has a policy to hold the first post from all new subscribers and those who have not posted in a long time (one year+).

So, the batch of messages which has just been "liberated" were all by newcomers?