How to validate business emails
First, add anEmail
field to your form and click the settings icon
to open the right-hand panel settings. Head to the Enrich section.

Disallow free email accounts
to block free email accounts, like @yahoo.com, @gmail.com, and @hotmail.com, from proceeding in your form.
Toggle Validate email address
to only allow valid emails to be submitted. Fillout calls a third party service to check if the email is valid. This helps prevent typos, like if someone types jeff@amazon.co instead of jeff@amazon.com.
You can also Send verification code
to send OTPs to emails or phone numbers. Check out the guide here.
Validation rules are enforced when respondent tries to proceed to the next page.

Note: Email validation is part of the conversion kit paid add-on. Learn more and get started here.