[Mailman-Users] Mailman message IDs? Disappearing Posts

[Mark Sapiro]

On 07/12/2014 02:10 PM, Steven Owens wrote:
> 
> Doing some more googling, it looks like a lot of spam filtering /
> blocking policies changed recently.  I guess I need to study up.  If
> you have any suggestions for where to start, I'm all ears (well,
> eyes).


There is an overwhelming amount of discussion in the archives of this
list at
<https://mail.python.org/pipermail/mailman-users/2014-April/thread.html>
in threads with subjects mentioning DMARC and yahoo.

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