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Email Security Quick-links: ESA Product Support | SMA Product Support | Email Submission and Tracking Portal | Cisco SecurityHub
Current General Deployment (GD) Releases:
ESA: 11.0.0-264 WSA: 10.5.1-296 SMA: 11.0.0-115 Email Plug-in (Reporting): 1.0.1-048 Email Plug-in (Encryption): 1.0.0-036

New Member

Ironport Captcha

Good day, 

We have Cisco Ironport C170 ESA, I need to know if there is some resource to validate e-mails from a sender. For example, I would make sure that a person who is sending e-mails and not a robot, this could be done with captcha request. 

If no such resource, I would like to know if there is any possibility of users to create a list of who can send e-mails to them, ie one WhiteList per domain. 

Thank you.

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