discourse/app/assets/javascripts/admin/addon/templates/modal/admin-incoming-email.hbs

{{#d-modal-body class="incoming-emails" title="admin.email.incoming_emails.modal.title"}}
  <div class="control-group">
    <label>{{i18n "admin.email.incoming_emails.modal.error"}}</label>
    <div class="controls">
      <p>{{model.error}}</p>
      {{#if model.error_description}}
        <p class="error-description">{{model.error_description}}</p>
      {{/if}}
    </div>
  </div>

  <hr>

  <div class="control-group">
    <label>{{i18n "admin.email.incoming_emails.modal.headers"}}</label>
    <div class="controls">
      {{textarea value=model.headers wrap="off"}}
    </div>
  </div>

  <div class="control-group">
    <label>{{i18n "admin.email.incoming_emails.modal.subject"}}</label>
    <div class="controls">
      {{model.subject}}
    </div>
  </div>

  <div class="control-group">
    <label>{{i18n "admin.email.incoming_emails.modal.body"}}</label>
    <div class="controls">
      {{textarea value=model.body}}
    </div>
  </div>

  {{#if model.rejection_message}}
    <hr>

    <div class="control-group">
      <label>{{i18n "admin.email.incoming_emails.modal.rejection_message"}}</label>
      <div class="controls">
        {{textarea value=model.rejection_message}}
      </div>
    </div>
  {{/if}}
{{/d-modal-body}}