[Mailman-Users] Emails from yahoo members, are getting rejected by yahoo, "Service Unavailable".
jimpop at gmail.com
Sun Apr 13 22:09:32 CEST 2014
On Sun, Apr 13, 2014 at 4:01 PM, Richard Damon <Richard at damon-family.org> wrote:
> If you list modifies the message, in particularly either the subject
> line or body, then the signature won't match and the message is supposed
> to not be delivered.
It's worse than just modification of the message/headers. DMARC works
off of SPF as well.
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