Technical/Descriptive: “Validate Klaviyo Form Emails to Allow Only Work Domains (Block Gmail, Yahoo, etc.)

Forum|Forum|9 months ago
October 27, 2025
2 replies
113 views

I have a Klaviyo form embedded on my WordPress website using the following code:

What I want is for the form to accept only work (business) email addresses in the email field. If someone enters a personal email address (like Gmail, Yahoo, Outlook, etc.), the form should display an error message and prevent submission.

Sign-up forms

Best answer by whereisjad

@mamun_990 you can add client side validation to the form that can occur when users try to submit the form:

function validateEmail() {
  const email = document.getElementById('email').value;
  if (email.includes("@gmail.com")) {
    alert("Gmail addresses are not allowed.");
    return false;
  }
// You can add other validation checks here
  return true;
}

whereisjadAnswer

Expert Problem Solver IV

@mamun_990 you can add client side validation to the form that can occur when users try to submit the form:

function validateEmail() {
  const email = document.getElementById('email').value;
  if (email.includes("@gmail.com")) {
    alert("Gmail addresses are not allowed.");
    return false;
  }
// You can add other validation checks here
  return true;
}

— Jad A | Klaviyo + Shopify + API Integrations Specialist • 7+ Years' Experience Helping with new setups, seamless integrations, and API connections—happy to connect. http://ja-technical-consulting.xyz/

M

mamun_990Author

Contributor I

Thank You brother, It’s working now.

Sign up

Use your Klaviyo credentials

Log in to the Community

Use your Klaviyo credentials