vieterp_mailbox/views/mail_mail_views.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="view_mail_inbox_search">
            <field name="name">mail.inbox.search</field>
            <field name="model">mail.inbox</field>
            <field name="arch" type="xml">
                <search string="Email Search">
                    <field name="email_from" filter_domain="['|', '|',('email_from','ilike',self), ('email_to','ilike',self), ('subject','ilike',self)]" string="Email"/>
                    <field name="date"/>
                    <filter name="received" string="Received" domain="[('state','=','received')]"/>
                    <filter name="outgoing" string="Outgoing" domain="[('state','=','outgoing')]"/>
                    <filter name="sent" string="Sent" domain="[('state','=','sent')]"/>
                    <filter name="exception" string="Failed" domain="[('state','=','exception')]"/>
                    <separator/>
                    <filter name="type_email" string="Email" domain="[('message_type','=','email')]"/>
                    <filter name="type_comment" string="Comment" domain="[('message_type','=','comment')]"/>
                    <filter name="type_notification" string="Notification" domain="[('message_type','=','notification')]"/>
                    <group expand="0" string="Extended Filters...">
                        <field name="author_id"/>
                        <field name="recipient_ids"/>
                        <field name="model"/>
                        <field name="res_id"/>
                    </group>
                    <group expand="0" string="Group By">
                        <filter string="Status" name="status" domain="[]" context="{'group_by':'state'}"/>
                        <filter string="Author" name="author" context="{'group_by':'author_id'}"/>
                        <filter string="Thread" name="thread" domain="[]" context="{'group_by':'message_id'}"/>
                        <filter string="Month" name="month" help="Creation Month" domain="[]" context="{'group_by':'date'}"/>
                    </group>
                </search>
            </field>
        </record>

        <record model="ir.ui.view" id="view_mail_inbox_tree">
            <field name="name">mail.inbox.tree</field>
            <field name="model">mail.inbox</field>
            <field name="arch" type="xml">
                <tree>
                    <field name="date"/>
                    <field name="create_uid"/>
                    <field name="subject"/>
                    <field name="author_id"/>
                    <field name="partner_ids"/>
                </tree>
            </field>
        </record>

        <record model="ir.ui.view" id="view_mail_inbox_form">
            <field name="name">mail.inbox.form</field>
            <field name="model">mail.inbox</field>
            <field name="arch" type="xml">
                <form string="Message" edit="false">
                    <header>
                        <button name="send" string="Send Now" type="object" states='outgoing' class="oe_highlight"/>
                        <button name="mark_outgoing" string="Retry" type="object" states='exception,cancel'/>
                        <button name="cancel" string="Cancel" type="object" states='outgoing'/>
                        <field name="state" widget="statusbar" statusbar_visible="outgoing,sent,received,exception,cancel"/>
                    </header>
                    <sheet>
                        <div class="oe_title">
                            <h1><field name="subject" placeholder="Subject..." required="True"/></h1>
                        </div>
                        <group col="8">
                            <group colspan="8">
                                <field name="partner_ids" widget="many2many_tags" invisible="1"/>
                                <field name="email_to" required="True"/>
                                <field name="email_cc"/>
                                <field name="reply_to"/>
                                <field name="template_id"
                                       domain="[('model_id.model','=','mail.inbox')]"
                                       context="{'default_model': 'mail.inbox', 'default_body_html': body_html, 'default_subject': subject, 'default_user_signature': True}"/>
                                <field name="author_id" invisible="1"/>
                                <field name="email_from" invisible="1"/>
                                <field name="date" invisible="1"/>
                                <field name="model" invisible="1"/>
                                <field name="res_id" invisible="1"/>
                                <field name="parent_id" invisible="1"/>
                                <field name="subtype_id" invisible="1"/>
                            </group>
                        </group>
                        <notebook>
                            <page string="Body">
                                <field name="body_html" widget="html" required="True"/>
                            </page>
                            <page string="Attachments">
                                <field name="attachment_ids"/>
                            </page>
                        </notebook>
                    </sheet>
                </form>
            </field>
        </record>

        <record id="action_mail_inbox" model="ir.actions.act_window">
            <field name="name">Inbox</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">mail.inbox</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="context">{}</field>
            <field name="domain">[('state', '=', 'inbox')]</field>
            <field name="search_view_id" ref="view_mail_inbox_search"/>
        </record>

        <record id="action_mail_draft" model="ir.actions.act_window">
            <field name="name">Draft</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">mail.inbox</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="context">{}</field>
            <field name="domain">[('state', '=', 'outgoing')]</field>
            <field name="search_view_id" ref="view_mail_inbox_search"/>
        </record>

        <record id="action_mail_outbox" model="ir.actions.act_window">
            <field name="name">Outbox</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">mail.inbox</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="context">{}</field>
            <field name="domain">['|',('state', '=', 'exception'),('state', '=', 'cancel')]</field>
            <field name="search_view_id" ref="view_mail_inbox_search"/>
        </record>

        <record id="action_mail_sent" model="ir.actions.act_window">
            <field name="name">Sent</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">mail.inbox</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="context">{}</field>
            <field name="domain">['|',('state', '=', 'sent'),('state', '=', 'received')]</field>
            <field name="search_view_id" ref="view_mail_inbox_search"/>
        </record>

        <menuitem name="Mails" id="menu_email_root"/>
        <menuitem id="menu_mails" name="Mails" parent="menu_email_root"/>

        <menuitem id="menu_mail_inbox" sequence="10" action="action_mail_inbox" parent="menu_mails" groups="base.group_user"/>
        <menuitem id="menu_mail_draft" sequence="20" action="action_mail_draft" parent="menu_mails" groups="base.group_user"/>
        <menuitem id="menu_mail_outbox" sequence="30" action="action_mail_outbox" parent="menu_mails" groups="base.group_user"/>
        <menuitem id="menu_mail_sent" sequence="40" action="action_mail_sent" parent="menu_mails" groups="base.group_user"/>
    </data>
</openerp>