[Mailman-Users] DMARC issues

Stephen J. Turnbull stephen at xemacs.org
Mon Apr 14 04:11:40 CEST 2014

Keith Bierman writes:

 > 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?)


BTW, hardly naive (the DMARC protocol is voodoo if you haven't done a
fair amount of thinking about security implementation) and definitely
not foolish (as Mark says, who knows what Yahoo! might do with the
information they get by receiving failure notices).

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