Jonesy wrote: > The lists.pearsoncomputing.net is re-emailing all subscribed incoming > emails to the user list. Each of those emails _claims_ to be From: > the > original sender. But, when Gmail (or whoever) asks if the original > sender (e.g. Jonesy <trinity@...> ) is authorized to send via > that > MTA, the answer is "NO". Earlier today messages on the list prompted me to enable DKIM, now I'm regretting it. It would seem anyone posting with a DKIM header is at risk. Intersting thing is that it appears that posts from gmail.com don't have a DKIM header, but those from googlemail.com do (does gmail reject those?). Jonesy: Authentication-Results: dalrun.com; dkim=fail reason="verification failed; insecure key" header.d=jonz.net header.i=@jonz.net header.b=UuqX8y7o; dkim-adsp=fail (insecure policy); dkim-atps=neutral E. Liddell: Authentication-Results: dalrun.com; dkim=fail reason="verification failed; insecure key" header.d=googlemail.com header.i=@googlemail.com header.b=aeb+tpCW; dkim-adsp=none (insecure policy); dkim-atps=neutral