br_account_einvoice/views/account_config_settings.xml
<?xml version="1.0" encoding="UTF-8"?>
<odoo>
<record id="account_config_settings_email" model="ir.ui.view">
<field name="name">account_config_settings.email</field>
<field name="model">account.config.settings</field>
<field name="inherit_id" ref="account.view_account_config_settings"/>
<field name="arch" type="xml">
<group name="followup" position="after" >
<group string="Email NFe" name="nfe_mail">
<field name="nfe_email_template" />
</group>
</group>
</field>
</record>
</odoo>