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Hosted Email Security (HES) 3.0 Time-of-Click Protection and other third-party URL rewrite feature or service

    • Updated:
    • 13 Jun 2018
    • Product/Version:
    • Hosted Email Security 3.0
    • Platform:
    • N/A N/A
Summary

When an email has a URL that has already been rewritten by Hosted Email Security's Time-of-Click Protection passes through a third-party service that has similar capability, it is possible that the URL may be rewritten again by the third-party, appending their own service's domain.

If that email is sent back either through a reply or forward, Hosted Email Security may once again rewrite the URL. And this process may go on while the email is being passed between the two parties. 

At some point, the URL may become too long and may not work anymore. 

The following is an example of such URL passed between Hosted Email Security's Time-of-Click protection and Microsoft SafeLinks.

Click image to enlarge

Details
Public

To prevent Hosted Email Security from rewriting a URL that is already rewritten by a third-party service, the third-party's domain in the rewritten URL may be added to Hosted Email Security's Web Reputation Approved List.

For example:

Click image to enlarge

Premium
Internal
Rating:
Category:
Configure; Troubleshoot
Solution Id:
1120066
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