On Tue, 4 Aug 2015, Brian Kantor wrote:
It appears that comcast and yahoo have implemented DMARC mail filtering around the first of the month.
This breaks mailing lists such as 44net.
The Redhat/CentOS mailman RPM was recently updated to handle DMARC filtered domains.
Antonio Querubin e-mail: tony@lavanauts.org xmpp: antonioquerubin@gmail.com