Yahoo address? Resubscribe using a different one.

[Joost Schuttelaar]

If you're using a Yahoo address you will need to resubscribe using a different address. Yahoo implemented something called DMARC which prevents sending mail on @yahoo.com's behalf. Including mailing lists which do that.

See: 

* http://www.ietf.org/mail-archive/web/ietf/current/msg87153.html
* https://wordtothewise.com/2014/04/example-bounces-due-yahoo-preject/

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Joost Schuttelaar
The Hague, NL