[SAC] [OSGeo] #1454: mailman: Mass bouncing of yahoo user subscriptions

[Norman Vine]

On Jan 25, 2015, at 2:38 PM, "OSGeo" <trac_osgeo at osgeo.org> wrote:

> #1454: mailman: Mass bouncing of yahoo user subscriptions
> ---------------------------+------------------------------------------------
> Reporter:  neteler        |       Owner:  sac@…              
>     Type:  defect         |      Status:  new                
> Priority:  blocker        |   Milestone:                     
> Component:  Systems Admin  |    Keywords:  mailman, postfix   
> ---------------------------+------------------------------------------------
> 
> Comment(by wildintellect):
> 
> My best guess is to start by ensuring we have an SFP record.
> https://www.howtoforge.com/postfix_spf
> 
> Then look into re-arranging so that the original sender stays the sender
> and the list email is in the reply-to-list spot.

Sounds like a reasonable start

more info @ 
https://help.yahoo.com/kb/mail/SLN24016.html
http://yahoomail.tumblr.com/post/82426900353/yahoo-dmarc-policy-change-what-should-senders
http://dmarc.org/