-----Original Message----- From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Hal Wigoda Sent: Wednesday, January 18, 2017 1:18 PM To: CentOS mailing list Subject: Re: [CentOS] Test No. On Wed, Jan 18, 2017 at 12:11 PM, TE Dukes <tdukes at palmettoshopper.com> wrote: > Is it working? > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > Been getting these since last night This is an automatically generated Delivery Status Notification. Delivery to the following recipients failed permanently: * centos at centos.org Reason: There was an error while attempting to deliver your message with [Subject: "Test"] to centos at centos.org. MTA p3plsmtpa11-05.prod.phx3.secureserver.net received this response from the destination host IP - 208.100.23.70 - 550 , 550 5.7.1 <centos at centos.org>: Recipient address rejected: Message rejected due to: SPF fail - not authorized. Please see http://www.openspf.net/Why?s=mfrom;id=tdukes@palmettoshopper.com;ip=68.178.2 52.106;r=centos at centos.org .