Yahoo.com's Blunder Impacts Mailing Lists
Dear Client:Yahoo initiated a terrible policy change to their mail servers that impacts every single mailing list software in use, not just Mailman. If any Yahoo.com user posts to your list, they will cause those list members whose ISP/ESP provider is using DMARC (Hotmail, Gmail, Bellsouth, etc) to bounce the poster's message which can in turn ... Read More »
10th Apr 2014
