On Tue, Oct 27, 2015 at 08:09:00AM -0400, Ian Smith wrote: > This is the part that's been bugging me. Doesn't the NANOG server > implement SPF checking on inbound list mail?
Don't know, but it doesn't matter: SPF has zero anti-spam value. (I know. I've studied this in ridiculous detail using a very large corpus of spam/nonspam messages over a very long period of time.) There are much better methods available. ---rsk