upstream-zulip/templates/zerver/email.html

{% if from_email != envelope_from %}
<h4>Envelope-From: {{ envelope_from }}</h4>
{% endif %}
<h4>From: {{ from_email }}</h4>
<h4>Date: {{ date }}</h4>
{% if reply_to %}
<h4>Reply to:
    {% for email in reply_to %}
    {{ email }}&nbsp;
    {% endfor %}
</h4>
{% endif %}
<h4>To:
    {% for recipient in recipients %}
    {{ recipient }}&nbsp;
    {% endfor %}
</h4>
<h4>Subject: {{subject}}</h4>
<div class="email-html" style="display: block;">
    {% autoescape off %}
    {{ html_message }}
    {% endautoescape %}
</div>
<div class="email-text" style="display: none;">
    <pre>{{ body }}</pre>
</div>
<hr />