tryton/view/dpd_credential_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="company"/>
    <field name="company"/>
    <label name="server"/>
    <field name="server"/>
    <separator string="Credential Information" colspan="4" id="credential_info"/>
    <label name="user_id"/>
    <field name="user_id"/>
    <label name="password"/>
    <field name="password" widget="password"/>
</form>