Ensure your SPF Record is Correct

Update: Feb 26, 2015 – A great post about Office 365 SPF checks was recently written by one of our program managers which I would high recommend reading. How Office 365 does SPF checks for customer-to-customer mail   I've recently seen an increase in cases that involve incorrectly published SPF records that have resulted in…

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On-Premises Delivery Failover

Organizations with on-premises mail environments often will have a primary site and at least one backup site. When Exchange Online Protection is being used to protect those on-premises mail environments, the ideal configuration would have EOP only delivering mail to the primary on-premises site, and only to the backup site if the primary site goes…

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Outbound Connector Smart Host Behavior

If you have an on-premises mail environment that you are protecting with Exchange Online Protection (EOP) then you’ll need to create some connectors in the cloud. This article is going to focus on EOP Outbound Connectors and how they deliver mail when configured with a smart host. Keep in mind that with EOP connectors, the…

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