Here is where Yahoo discusses the effect that it recognizes it is having on email lists: http://yahoomail.tumblr.com/post/82426900353/yahoo-dmarc-policy-change-what-should-senders-do Based on the slant of this posting, I don't think they intend to back-down from their position. If they succeed, there is a good chance at least some other email providers may follow this path. And yes, L-Soft is working on a technical solution, but it takes some time to complete testing. ############################ To unsubscribe from the LSTOWN-L list: write to: mailto:[log in to unmask] or click the following link: http://peach.ease.lsoft.com/scripts/wa-PEACH.exe?SUBED1=LSTOWN-L&A=1