zulip/templates/confirmation/confirm_email_change.html

{% extends "zerver/portico.html" %}

{% block portico_content %}

<div class="app confirm-email-change-page flex full-page">
    <div class="inline-block new-style">
        <div class="lead">
            <h1 class="get-started">{{ _('Email changed!') }}</h1>
        </div>

        <div class="app-main white-box">
            This confirms that the email address for your Zulip account has changed
            from <a href="mailto:{{old_email}}">{{old_email}}</a> to <a href="mailto:{{new_email}}">{{new_email}}</a>.
        </div>
    </div>
</div>

{% endblock %}