vieterp_mailbox/data/data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="mail_source_1" model="mail.server.source">
            <field name="name">Gmail - POP</field>
            <field name="type">pop</field>
            <field name="server">pop.gmail.com</field>
            <field name="port">995</field>
            <field name="is_ssl">1</field>
        </record>
    </data>
</openerp>