Yahoo and AOL Emails not being sent/received

In an attempt to block email spoofing attacks on yahoo.com addresses, Yahoo and AOL began imposing a stricter email validation policy that unfortunately breaks the usual workflow on legitimate mailing lists.The problem is a new DMARC (Domain-based Message Authentication, Reporting and Conformance) “reject” policy advertised by Yahoo and AOL to third-party email servers.


This is causing deliverability issues with anyone using the following services:
yahoo.com
aol.com
ameritech.net
att.net
bellsouth.net
flash.net
nvbell.net
pacbell.net
prodigy.net
sbcglobal.net
snet.net
swbell.net
wans.net



There is nothing we can do to fix this as this is a Yahoo and AOL issue and not a Thoughtwire Hosting issue.
For more information, see Yahoo's article on this: https://help.yahoo.com/kb/SLN7253.htmlhttp://postmaster-blog.aol.com/2014/04/22/aol-mail-updates-dmarc-policy-to-reject/

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