diff --git a/addons/mass_mailing/data/mass_mailing_demo.xml b/addons/mass_mailing/data/mass_mailing_demo.xml
index 7dff05d23ff..a80c71f809f 100644
--- a/addons/mass_mailing/data/mass_mailing_demo.xml
+++ b/addons/mass_mailing/data/mass_mailing_demo.xml
@@ -17,17 +17,17 @@
         <record id="mass_mail_contact_1" model="mail.mass_mailing.contact">
             <field name="name">Aristide Antario</field>
             <field name="email">aa@example.com</field>
-            <field name="list_id" ref="mass_mailing.mass_mail_list_2"/>
+            <field name="list_ids" eval="[(6,0,[ref('mass_mailing.mass_mail_list_2')])]"/>
         </record>
         <record id="mass_mail_contact_2" model="mail.mass_mailing.contact">
             <field name="name">Beverly Bridge</field>
             <field name="email">bb@example.com</field>
-            <field name="list_id" ref="mass_mailing.mass_mail_list_2"/>
+            <field name="list_ids" eval="[(6,0,[ref('mass_mailing.mass_mail_list_2'), ref('mass_mailing.mass_mail_list_2')])]"/>
         </record>
         <record id="mass_mail_contact_3" model="mail.mass_mailing.contact">
             <field name="name">Carol Cartridge</field>
             <field name="email">cc@example.com</field>
-            <field name="list_id" ref="mass_mailing.mass_mail_list_2"/>
+            <field name="list_ids" eval="[(6,0,[ref('mass_mailing.mass_mail_list_2')])]"/>
             <field name="opt_out" eval="True"/>
         </record>
 
diff --git a/addons/mass_mailing/models/mass_mailing.py b/addons/mass_mailing/models/mass_mailing.py
index ada11c4c9a3..b11588b8b06 100644
--- a/addons/mass_mailing/models/mass_mailing.py
+++ b/addons/mass_mailing/models/mass_mailing.py
@@ -37,11 +37,22 @@ class MassMailingList(models.Model):
     create_date = fields.Datetime(string='Creation Date')
     contact_nbr = fields.Integer(compute="_compute_contact_nbr", string='Number of Contacts')
 
+    # Compute number of contacts non opt-out for a mailing list
     def _compute_contact_nbr(self):
-        contacts_data = self.env['mail.mass_mailing.contact'].read_group([('list_id', 'in', self.ids), ('opt_out', '!=', True)], ['list_id'], ['list_id'])
-        mapped_data = dict([(c['list_id'][0], c['list_id_count']) for c in contacts_data])
+        self.env.cr.execute('''
+            select
+                list_id, count(*)
+            from
+                mail_mass_mailing_contact_list_rel r 
+                left join mail_mass_mailing_contact c on (r.contact_id=c.id)
+            where
+                c.opt_out <> true
+            group by
+                list_id
+        ''')
+        data = dict(self.env.cr.fetchall())
         for mailing_list in self:
-            mailing_list.contact_nbr = mapped_data.get(mailing_list.id, 0)
+            mailing_list.contact_nbr = data.get(mailing_list.id, 0)
 
 class MassMailingContact(models.Model):
     """Model of a contact. This model is different from the partner model
@@ -55,14 +66,18 @@ class MassMailingContact(models.Model):
     _rec_name = 'email'
 
     name = fields.Char()
+    company_name = fields.Char(string='Company Name')
+    title_id = fields.Many2one('res.partner.title', string='Title')
     email = fields.Char(required=True)
-    create_date = fields.Datetime(string='Create Date')
-    list_id = fields.Many2one(
-        'mail.mass_mailing.list', string='Mailing List',
-        ondelete='cascade', required=True, default=lambda self: self.env['mail.mass_mailing.list'].search([], limit=1, order='id desc'))
+    create_date = fields.Datetime(string='Creation Date')
+    list_ids = fields.Many2many(
+        'mail.mass_mailing.list', 'mail_mass_mailing_contact_list_rel',
+        'contact_id', 'list_id', string='Mailing Lists')
     opt_out = fields.Boolean(string='Opt Out', help='The contact has chosen not to receive mails anymore from this list')
     unsubscription_date = fields.Datetime(string='Unsubscription Date')
-    message_bounce = fields.Integer(string='Bounce', help='Counter of the number of bounced emails for this contact.')
+    message_bounce = fields.Integer(string='Bounced', help='Counter of the number of bounced emails for this contact.')
+    country_id = fields.Many2one('res.country', string='Country')
+    tag_ids = fields.Many2many('res.partner.category', string='Tags')
 
     @api.model
     def create(self, vals):
@@ -93,7 +108,7 @@ class MassMailingContact(models.Model):
     @api.model
     def add_to_list(self, name, list_id):
         name, email = self.get_name_email(name)
-        contact = self.create({'name': name, 'email': email, 'list_id': list_id})
+        contact = self.create({'name': name, 'email': email, 'list_ids': [(4, list_id)]})
         return contact.name_get()[0]
 
     @api.multi
@@ -432,9 +447,9 @@ class MassMailing(models.Model):
     def _onchange_model_and_list(self):
         if self.mailing_model == 'mail.mass_mailing.contact':
             if self.contact_list_ids:
-                self.mailing_domain = "[('list_id', 'in', %s), ('opt_out', '=', False)]" % self.contact_list_ids.ids
+                self.mailing_domain = "[('list_ids', 'in', [%s]), ('opt_out', '=', False)]" % (','.join(map(str,self.contact_list_ids.ids)),)
             else:
-                self.mailing_domain = "[('list_id', '=', False)]"
+                self.mailing_domain = "[(0, '=', 1)]"
         elif 'opt_out' in self.env[self.mailing_model]._fields:
             self.mailing_domain = "[('opt_out', '=', False)]"
         else:
diff --git a/addons/mass_mailing/views/mass_mailing_views.xml b/addons/mass_mailing/views/mass_mailing_views.xml
index e1f62390562..2bc6010528f 100644
--- a/addons/mass_mailing/views/mass_mailing_views.xml
+++ b/addons/mass_mailing/views/mass_mailing_views.xml
@@ -5,6 +5,8 @@
         <menuitem name="Mass Mailing" id="mass_mailing_menu_root" sequence="60" web_icon="mass_mailing,static/description/icon.png"/>
         <menuitem name="Mailings" id="mass_mailing_menu"
             parent="mass_mailing_menu_root" sequence="1" groups="mass_mailing.group_mass_mailing_user"/>
+        <menuitem name="Contacts" id="mass_mailing_contact_menu"
+            parent="mass_mailing_menu_root" sequence="2" groups="mass_mailing.group_mass_mailing_user"/>
         <!-- Marketing / Configuration -->
         <menuitem name="Configuration" id="mass_mailing_configuration"
             parent="mass_mailing_menu_root" sequence="100"/>
@@ -16,33 +18,32 @@
             <field name="name">List Subscription</field>
             <field name="model_id">mail.mass_mailing.contact</field>
             <field name="user_id" eval="False"/>
-            <field name="context">{'group_by': ['create_date:month'], 'col_group_by': ['list_id']}</field>
+            <field name="context">{'group_by': ['create_date:month']}</field>
         </record>
         <record id="filter_contact_unsubscription" model="ir.filters">
             <field name="name">List Unsubscription</field>
             <field name="model_id">mail.mass_mailing.contact</field>
             <field name="user_id" eval="False"/>
             <field name="domain">[('opt_out','=',True)]</field>
-            <field name="context">{'group_by': ['unsubscription_date:month'], 'col_group_by': ['list_id']}</field>
+            <field name="context">{'group_by': ['unsubscription_date:month']}</field>
         </record>
 
         <record model="ir.ui.view" id="view_mail_mass_mailing_contact_search">
             <field name="name">mail.mass_mailing.contact.search</field>
             <field name="model">mail.mass_mailing.contact</field>
             <field name="arch" type="xml">
-               <search string="Mailing Lists Subscribers">
-                    <field name="name"/>
-                    <field name="email"/>
-                    <field name="list_id"/>
+               <search string="Contacts">
+                    <field name="name" filter_domain="['|','|',('name','ilike',self),('company_name','ilike',self), ('email','ilike',self)]"
+                        string="Name / Email"/>
+                    <field name="tag_ids"/>
+                    <field name="list_ids"/>
                     <separator/>
                     <filter string="Exclude Opt Out" name="not_opt_out" domain="[('opt_out', '=', False)]"/>
                     <separator/>
-                    <filter string="Exclude Dead" name="not_bounced" domain="[('message_bounce', '&lt;', 5)]"/>
+                    <filter string="Exclude Bounced" name="not_bounced" domain="[('message_bounce', '&lt;', 3)]"/>
                     <group expand="0" string="Group By">
                         <filter string="Creation Date" name="group_create_date"
                             context="{'group_by': 'create_date'}"/>
-                        <filter string="Mailing Lists" name="group_list_id"
-                            context="{'group_by': 'list_id'}"/>
                     </group>
                 </search>
             </field>
@@ -53,35 +54,85 @@
             <field name="model">mail.mass_mailing.contact</field>
             <field name="priority">10</field>
             <field name="arch" type="xml">
-                <tree string="Mailing Lists Subscribers" editable="top">
-                    <field name="email"/>
-                    <field name="name"/>
-                    <field name="list_id"/>
-                    <field name="message_bounce"/>
+                <tree string="Contacts">
                     <field name="create_date"/>
-                    <field name="unsubscription_date" readonly="1"/>
+                    <field name="name"/>
+                    <field name="company_name"/>
+                    <field name="email"/>
+                    <field name="message_bounce"/>
                     <field name="opt_out"/>
                 </tree>
             </field>
         </record>
 
+        <record model="ir.ui.view" id="view_mail_mass_mailing_contact_form">
+            <field name="name">mail.mass_mailing.contact.form</field>
+            <field name="model">mail.mass_mailing.contact</field>
+            <field name="priority">10</field>
+            <field name="arch" type="xml">
+                <form string="Contacts">
+                    <sheet>
+                        <div class="oe_title">
+                            <label for="name" class="oe_edit_only"/>
+                            <h1>
+                                <field name="name" placeholder="e.g. John Smith"/>
+                            </h1>
+                            <label for="tag_ids" class="oe_edit_only"/>
+                            <div>
+                                <field name="tag_ids" widget="many2many_tags" style="width: 100%%"/>
+                            </div>
+                        </div>
+                        <group>
+                            <group>
+                                <field name="email"/>
+                                <field name="title_id"/>
+                                <field name="company_name"/>
+                                <field name="country_id"/>
+                            </group>
+                            <group>
+                                <field name="create_date" readonly="1"/>
+                                <field name="unsubscription_date"/>
+                                <label for="message_bounce"/>
+                                <div class="o_row">
+                                    <field name="message_bounce"/>
+                                    <span> times</span>
+                                </div>
+                                <field name="opt_out"/>
+                            </group>
+                        </group>
+                        <field name="list_ids"/>
+                    </sheet>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_mail_mass_mailing_contact_pivot">
+            <field name="name">mail.mass_mailing.contact.pivot</field>
+            <field name="model">mail.mass_mailing.contact</field>
+            <field name="priority">10</field>
+            <field name="arch" type="xml">
+                <pivot string="Contacts" type="pivot" stacked="True">
+                    <field name="create_date" type="row"/>
+                </pivot>
+            </field>
+        </record>
+
         <record model="ir.ui.view" id="view_mail_mass_mailing_contact_graph">
             <field name="name">mail.mass_mailing.contact.graph</field>
             <field name="model">mail.mass_mailing.contact</field>
             <field name="priority">10</field>
             <field name="arch" type="xml">
-                <graph string="Mailing Lists Subscriber" type="pivot" stacked="True">
+                <graph string="Contacts" type="pivot" stacked="True">
                     <field name="create_date" type="row"/>
-                    <field name="list_id" type="col"/>
                 </graph>
             </field>
         </record>
 
         <record model="ir.actions.act_window" id="action_view_mass_mailing_contacts">
-            <field name="name">Mailing List Subscribers</field>
+            <field name="name">Contacts</field>
             <field name="res_model">mail.mass_mailing.contact</field>
             <field name="view_type">form</field>
-            <field name="view_mode">tree,graph</field>
+            <field name="view_mode">tree,form,graph,pivot</field>
             <field name="context">{'search_default_not_opt_out': 1}</field>
         </record>
 
@@ -90,7 +141,8 @@
             <field name="res_model">mail.mass_mailing.contact</field>
             <field name="view_type">form</field>
             <field name="view_mode">tree,form,graph</field>
-            <field name="context">{'search_default_list_id': active_id, 'search_default_not_opt_out': 1}</field>
+            <field name="domain">[('list_ids', 'in', [active_id])]</field>
+            <field name="context">{'search_default_not_opt_out': 1}</field>
             <field name="help" type="html">
               <p class="oe_view_nocontent_create">
                 Click to create a recipient.
@@ -99,7 +151,7 @@
         </record>
 
         <menuitem name="Contacts" id="menu_email_mass_mailing_contacts"
-            parent="mass_mailing_menu" sequence="4" groups="base.group_no_one"
+            parent="mass_mailing_contact_menu" sequence="4"
             action="action_view_mass_mailing_contacts"/>
 
         <!--  MASS MAILING LIST -->
@@ -175,7 +227,7 @@
         </record>
 
         <menuitem name="Mailing Lists" id="menu_email_mass_mailing_lists"
-            parent="mass_mailing_menu" sequence="3"
+            parent="mass_mailing_contact_menu" sequence="3"
             action="action_view_mass_mailing_lists"/>
 
         <!--  MASS MAILING !-->
diff --git a/addons/website_mass_mailing/controllers/main.py b/addons/website_mass_mailing/controllers/main.py
index ff3a515b4fb..d5b23030717 100644
--- a/addons/website_mass_mailing/controllers/main.py
+++ b/addons/website_mass_mailing/controllers/main.py
@@ -38,7 +38,7 @@ class MassMailController(MassMailController):
 
         is_subscriber = False
         if email:
-            contacts_count = request.env['mail.mass_mailing.contact'].sudo().search_count([('list_id', '=', int(list_id)), ('email', '=', email), ('opt_out', '=', False)])
+            contacts_count = request.env['mail.mass_mailing.contact'].sudo().search_count([('list_ids', 'in', [int(list_id)]), ('email', '=', email), ('opt_out', '=', False)])
             is_subscriber = contacts_count > 0
 
         return {'is_subscriber': is_subscriber, 'email': email}
@@ -49,12 +49,12 @@ class MassMailController(MassMailController):
         name, email = Contacts.get_name_email(email)
 
         contact_ids = Contacts.search([
-            ('list_id', '=', int(list_id)),
+            ('list_ids', 'in', [int(list_id)]),
             ('email', '=', email),
         ], limit=1)
         if not contact_ids:
             # inline add_to_list as we've already called half of it
-            Contacts.create({'name': name, 'email': email, 'list_id': int(list_id)})
+            Contacts.create({'name': name, 'email': email, 'list_ids': [(6,0,[int(list_id)])]})
         elif contact_ids.opt_out:
             contact_ids.opt_out = False
         # add email to session
diff --git a/addons/website_mass_mailing/views/unsubscribe_templates.xml b/addons/website_mass_mailing/views/unsubscribe_templates.xml
index 8f044491102..dc9668d4869 100644
--- a/addons/website_mass_mailing/views/unsubscribe_templates.xml
+++ b/addons/website_mass_mailing/views/unsubscribe_templates.xml
@@ -22,7 +22,9 @@
                                     <li class="list-group-item">
                                         <input type="checkbox" class="mail_list_checkbox" name="contact_ids"
                                             t-att-value="contact['id']" t-att-checked="'checked' if contact['opt_out'] == False else None"/>
-                                        <t t-esc="contact.list_id.name"/>
+                                        <t t-foreach="contact.list_ids" t-as="contact_list">
+                                            <t t-esc="contact_list.name"/> 
+                                        </t>
                                     </li>
                                 </t>
                             </ul>