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Idea 11 Blog

Load Balancing Exchange ActiveSync with Client Certificates

By Idea 11 Consulting / November 4, 2015

We were setting up a NetScaler to load balance the Exchange 2013 CAS protocols a few weeks ago and we had an interesting dilemma.  The client had mandated the use of Certificate-Based Authentication (CBA) when accessing Exchange ActiveSync from mobile devices and wanted to leverage their NetScaler appliances to provide high…

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AHBL Shutdown Causes Spam False Positives and Email Delivery Problems

By Idea 11 Consulting / January 7, 2015

The shutdown of the AHBL service has caused spam false positives and email delivery issues for email systems that are configured to use the service.

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