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IP range conversion to support Office 365 subnet limitation in Hosted Email Security (HES)

    • Updated:
    • 20 Nov 2017
    • Product/Version:
    • Hosted Email Security 1.0
    • Hosted Email Security 1.9.6
    • Hosted Email Security 1.9.8
    • Hosted Email Security 2.0
    • Platform:
    • N/A N/A

NOTE: You are viewing an archived article because the product(s) tagged is no longer supported or the information mentioned is already outdated.

Summary

Microsoft Office 365 only accepts subnet mask in range of /24 up to /32.

In order to provide all HES IP ranges that are acceptable to Office 365, we need to convert the IP subnet 150.70.0.0/16.

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