n_oct/plugins/rainlab/user/components/account/activation_check.htm

{% if not user.is_activated %}

    <h3>Your email address has not yet been verified.</h3>
    <p>
        You should verify your account otherwise it may be deleted. Please check your email to verify.
        <a href="javascript:;" data-request="onSendActivationEmail">Send the verification email again</a>.
    </p>

{% endif %}