On 12/04/2015 02:40 PM, John Levine wrote:
>> The issue is that list posts sent to AOL subscriber addresses are now
>> bouncing as undeliverable with the bounce code: "521
>> 5.2.1 : AOL will not accept delivery of this message."
> I see that you have a yahoo.com address. If there's a yahoo.com
Mark Sapiro writes:
> >This is a permanent bounce due to:
> >
> >* RFC2822 From domain does not match the rDNS of sending server.
> The first reason above is really bad. It's looks like AOL's own
> extension to DMARC that ignores any DMARC policy that might actually be
> publis