tryton/modules/notification_email/view/email_form.xml

<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<form>
    <label name="from_"/>
    <field name="from_"/>
    <label name="content"/>
    <field name="content"/>
    <label name="subject"/>
    <field name="subject" colspan="3"/>
    <label name="recipients"/>
    <field name="recipients"/>
    <label name="fallback_recipients"/>
    <field name="fallback_recipients"/>
    <label name="recipients_secondary"/>
    <field name="recipients_secondary"/>
    <label name="fallback_recipients_secondary"/>
    <field name="fallback_recipients_secondary"/>
    <label name="recipients_hidden"/>
    <field name="recipients_hidden"/>
    <label name="fallback_recipients_hidden"/>
    <field name="fallback_recipients_hidden"/>
    <label name="contact_mechanism"/>
    <field name="contact_mechanism"/>
    <label name="send_after"/>
    <field name="send_after"/>

    <field name="attachments" colspan="4"/>
    <field name="triggers" colspan="4"/>
</form>