On May 7, 2012, at 7:48 AM, Hector Santos wrote: > Randy Bush wrote: >>> indeed, the following line in your header was the clue. >>> X-Mailman-Approved-At: Wed, 02 May 2012 12:10:17 -0700 >>> That is interesting, I didn't had this line in the header. Strange. >> that is because you posted from the address which was subscribed so >> needed no manual intervention. > > Question, did the IETF list setup disable the "non-member" email notifications? Spam reduction. We apply the rule to all of our mailing lists, and it is very helpful.