TagOffice365

April 24, 2015

Office365/EOP IPv6 changes starting today

By josh
2 Min read
1 comment
24April

Terry Zink at Microsoft posted earlier this week that Office365/Exchange Online Protection will have a significant change this week. Office365 uses Exchange Online Protection (EOP) for spam filtering and email protection. One of the requirements to send to EOP over IPv6 is to have the email authenticated with either SPF or DKIM.  If the mail sent to Office365/EOP over IPv6 is not authenticated...

January 22, 2015

Office365 checking DMARC on the inbound

By laura
5 Min read
3 comments
22January

According to a recent blog post, Office365 is starting to evaluate incoming messages for DMARC. I talked a little bit about DMARC in April when Yahoo started publishing a p=reject message. DMARC stands for Domain-based Message Authentication, Reporting and Conformance. What DMARC does is allow domain owners to publish policy statements in DNS telling receiver domains what to do with messages that...

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