> On Sep 8, 2015, at 10:03 AM, Anne Mitchell <amitch...@isipp.com> wrote:
>
> Straight from the proverbial horse's mouth (someone at MS), shared with
> permission:
>
> "We are migrating mailboxes from the current Hotmail/outlook.com
> infrastructure over to Office 365. This means that migrated users have their
> mail hit Hotmail's front end and then forwarded to Office 365 where it
> re-undergoes an authentication check, but is not actually enforced. The
> original spam/non-spam verdict at Hotmail is re-propagated through the
> system. If the message is subsequently forwarded some other place, it will
> fail DMARC because Office 365 has an issue where it modifies message content
> when forwarding ("fixes" it up). This behavior will be changed in the
> Sept/Oct time frame.”
It’s good to know that the advice given in the thread was correct.
laura
--
Having an Email Crisis? 800 823-9674
Laura Atkins
Word to the Wise
la...@wordtothewise.com
(650) 437-0741
Email Delivery Blog: http://wordtothewise.com/blog
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