odoo/addons/mail/data/mail_group_data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data noupdate="1">

        <record model="mail.group" id="group_all_company">
            <field name="name">All Company</field>
            <field name="description">All company users can come here and discuss.</field>
        </record>
        <record model="mail.group" id="group_sales">
            <field name="name">Sales</field>
<!--
            <field name="models" eval="[(4, ref('crm.lead'))]"/>
-->
        </record>
        <record model="mail.group" id="group_all_employees">
            <field name="name">All Employees</field>
            <field name="push_to_groups" eval="True"/>
            <field name="groups" eval="[(4, ref('base.group_user'))]"/>
        </record>

    </data>
</openerp>