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