I have a few users that are having the same issue where when attempting to click a link in[...]

Question

iOS, uses default mail app, Turned off Private browsing and unchecked "Prevent Cross-Site Tracking"

Jason Page · Answer

Hey so I tested this for one user and it worked, the other user said this option is already off and is still not working

Dawn Cronin - Moderator · Answer

Jason:

I'm reposting the KB that covers this:  Email Security Cloud Gateway - Device Enrollment - Known Issue.

This is also posted in the Mimecast Admin Console Notifications panel:

Thanks for your post!

Dawn Cronin