vieterp_mailbox/security/record_rules.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record model="ir.rule" id="fetchmail_server_inbox_user_rule">
             <field name="name">Inbox Server: User</field>
             <field name="model_id" ref="model_fetchmail_server_inbox"></field>
             <field name="groups" eval="[(4,ref('base.group_user'))]"></field>
             <field name="domain_force">[('create_uid', '=', user.id)]</field>
             <field eval="1" name="perm_write"></field>
             <field eval="1" name="perm_read"></field>
             <field eval="1" name="perm_unlink"></field>
             <field eval="1" name="perm_create"></field>
        </record>

        <record model="ir.rule" id="mail_inbox_user_rule">
             <field name="name">Inbox Mail: User</field>
             <field name="model_id" ref="model_mail_inbox"></field>
             <field name="groups" eval="[(4,ref('base.group_user'))]"></field>
             <field name="domain_force">[('create_uid', '=', user.id)]</field>
             <field eval="1" name="perm_write"></field>
             <field eval="1" name="perm_read"></field>
             <field eval="1" name="perm_unlink"></field>
             <field eval="1" name="perm_create"></field>
        </record>
    </data>
</openerp>