option to allow verified nonmembers to post to a list
Original LP Author: Sumana Harihareswara , LP Link: https://bugs.launchpad.net/bugs/1414149
Add an option to allow ''verified'' non-members to post to the list. A verified non-member is someone who posts to the list and responds in the affirmative to a confirmation message. A verified member can post in the future (think Gmane http://www.gmane.org ).
From http://wiki.mailman.psf.io/DEV/Mailman%203.0?action=diff&rev2=30&rev1=28 -- a TODO for the Mailman 3.x series. May be a duplicate of bug 558029.