Unverified50% confidenceFactExact time
Webex provides the option 'Block external users from selected email domains' in Control Hub under Services > Meeting > Settings, and it requires enabling the 'Require attendees' email addresses for all sites' feature at the same time to function properly.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/13/2026
First Seen
Valid until: 1/11/2027
Sources
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