Do you have Email as a required field for chat launch form?

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We've currently got Email as a required field on the chat launch form. We are considering making it not required or even eliminating it because we feel it might be a barrier for users to engage in chat with us. The more fields customers have to fill out the less likely they are to engage. We don't really need email to speak to prospects so considering removing it. However, when testing that, if I do that the system defaults the users email address "[email protected]". We could set the email to be blank but email is blank, you can't end a