Pete, On 16/04/2014 10:20, Pete Resnick wrote: ... > (If the originating domain is expressly *not* OK with the > redistribution, the mailing list should bounce the message back to the > author saying as much.) Isn't that exactly what p=reject implies? If so, the logical behaviour for all list software would be to check the DMARC record for the originating domain of each message, and bounce it if p=reject. Brian