[Mailman-Users] DMARC issues

[Mark Sapiro]

On 04/13/2014 03:25 PM, Keith Bierman wrote:
> 
> For an "announce only" list (viz. only very special people may post, and
> those people aren't from yahoo accounts) will this DMARC issue be easily
> avoided by not allowing any posts from yahoo members (they can read from
> others, correct?)


Yes, that is correct for the moment as long as yahoo.com is the only
domain publishing a DMARC record with a reject policy.

If and when example.com follows suit, you need to disallow posts from it
as well and so forth.

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan