flectra/addons/mail/views/mail_alias_views.xml

<?xml version="1.0"?>
<flectra>
    <data>

        <!-- Alias Form View -->
        <record  model="ir.ui.view" id="view_mail_alias_form">
            <field name="name">mail.alias.form</field>
            <field name="model">mail.alias</field>
            <field name="arch" type="xml">
                <form string="Alias">
                    <sheet>
                        <div class="oe_button_box" name="button_box">
                            <button name="open_document" string="Open Document"
                                    type="object" class="oe_link"
                                    attrs="{'invisible': ['|', ('alias_model_id', '=', False), ('alias_force_thread_id', '=', 0)]}"/>
                            <button name="open_parent_document" string="Open Parent Document"
                                    type="object" class="oe_link"
                                    attrs="{'invisible': ['|', ('alias_parent_model_id', '=', False), ('alias_parent_thread_id', '=', 0)]}"/>
                        </div>
                        <h2><field name="alias_name" class="oe_inline"/>@<field name="alias_domain" class="oe_inline"/></h2>
                        <group>
                            <field name="alias_model_id"/>
                            <field name="alias_force_thread_id"/>
                            <field name="alias_defaults"/>
                            <field name="alias_contact"/>
                            <field name="alias_user_id"/>
                            <field name="alias_parent_model_id"/>
                            <field name="alias_parent_thread_id"/>
                        </group>
                    </sheet>
                </form>
            </field>
        </record>

        <!-- Alias List View -->
        <record  model="ir.ui.view" id="view_mail_alias_tree">
            <field name="name">mail.alias.tree</field>
            <field name="model">mail.alias</field>
            <field name="arch" type="xml">
                <tree string="Alias">
                    <field name="alias_name"/>
                    <field name="alias_model_id"/>
                    <field name="alias_user_id"/>
                    <field name="alias_defaults"/>
                    <field name="alias_contact"/>
                </tree>
            </field>
        </record>

        <!-- Alias Search View -->
        <record  model="ir.ui.view" id="view_mail_alias_search">
            <field name="name">mail.alias.search</field>
            <field name="model">mail.alias</field>
            <field name="arch" type="xml">
                <search string="Search Alias">
                    <field name="alias_name"/>
                    <field name="alias_model_id"/>
                    <field name="alias_force_thread_id"/>
                    <field name="alias_parent_model_id"/>
                    <field name="alias_parent_thread_id"/>
                    <separator/>
                    <filter string="Active" name="active" domain="[('alias_name', '!=', False)]"/>
                    <group expand="0" string="Group By">
                        <filter string="User" name="User" context="{'group_by':'alias_user_id'}"/>
                        <filter string="Model" name="Model" context="{'group_by':'alias_model_id'}"/>
                    </group>
                </search>
            </field>
        </record>

        <record id="action_view_mail_alias" model="ir.actions.act_window">
            <field name="name">Aliases</field>
            <field name="res_model">mail.alias</field>
            <field name="context">{
                    'search_default_active': True,
                }
            </field>
        </record>

        <menuitem id="mail_alias_menu"
                  parent="base.menu_email"
                  action="action_view_mail_alias"
                  sequence="50"
                  groups="base.group_no_one"/>

    </data>
</flectra>