diff --git a/addons/account/__manifest__.py b/addons/account/__manifest__.py
index 9b98ed5ff11..9654e47f01e 100644
--- a/addons/account/__manifest__.py
+++ b/addons/account/__manifest__.py
@@ -68,6 +68,7 @@ Core mechanisms for the accounting modules. To display the menuitems, install th
         'views/res_users_views.xml',
         'data/service_cron_reverse.xml',
         'views/account_fiscal_year_view.xml',
+        'wizard/multi_compose_message_views.xml',
     ],
     'demo': [
         'demo/account_demo.xml',
diff --git a/addons/account/models/__init__.py b/addons/account/models/__init__.py
index 95d9fcbf996..3865c09ee2d 100644
--- a/addons/account/models/__init__.py
+++ b/addons/account/models/__init__.py
@@ -16,3 +16,4 @@ from . import res_config_settings
 from . import account_cash_rounding
 from . import reconciliation_widget
 from . import res_users
+from . import res_company
diff --git a/addons/account/models/account_invoice.py b/addons/account/models/account_invoice.py
index 9b8afa4791c..980a6e92adc 100644
--- a/addons/account/models/account_invoice.py
+++ b/addons/account/models/account_invoice.py
@@ -593,7 +593,7 @@ class AccountInvoice(models.Model):
         """
         self.ensure_one()
         template = self.env.ref('account.email_template_edi_invoice', False)
-        compose_form = self.env.ref('mail.email_compose_message_wizard_form', False)
+        compose_form = self.env.ref('account.multi_compose_message_wizard_form', False)
         ctx = dict(
             default_model='account.invoice',
             default_res_id=self.id,
@@ -609,7 +609,7 @@ class AccountInvoice(models.Model):
             'type': 'ir.actions.act_window',
             'view_type': 'form',
             'view_mode': 'form',
-            'res_model': 'mail.compose.message',
+            'res_model': 'multi.compose.message',
             'views': [(compose_form.id, 'form')],
             'view_id': compose_form.id,
             'target': 'new',
diff --git a/addons/account/models/res_company.py b/addons/account/models/res_company.py
new file mode 100644
index 00000000000..522bd956fc3
--- /dev/null
+++ b/addons/account/models/res_company.py
@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import fields, models
+
+
+class ResCompany(models.Model):
+    _inherit = 'res.company'
+
+    is_email = fields.Boolean('Email by default', default=True)
+    is_print = fields.Boolean('Print by default', default=True)
diff --git a/addons/account/views/account_invoice_view.xml b/addons/account/views/account_invoice_view.xml
index 16c42777562..147e0d56ac7 100644
--- a/addons/account/views/account_invoice_view.xml
+++ b/addons/account/views/account_invoice_view.xml
@@ -387,10 +387,8 @@
             <field name="arch" type="xml">
                 <form string="Invoice" class="o_invoice_form">
                 <header>
-                    <button name="action_invoice_sent" type="object" string="Send by Email" attrs="{'invisible':['|',('sent','=',True), ('state', 'not in', ('open','paid'))]}" class="oe_highlight o_invoice_send" groups="base.group_user"/>
-                    <button name="invoice_print" string="Print Invoice" type="object" attrs="{'invisible':['|',('sent','=',True), ('state', 'not in', ('open','paid'))]}" class="oe_highlight" groups="base.group_user"/>
-                    <button name="action_invoice_sent" type="object" string="Send by Email" attrs="{'invisible':['|',('sent','=',False), ('state', 'not in', ('open','paid'))]}" groups="base.group_user"/>
-                    <button name="invoice_print" string="Print Invoice" type="object" attrs="{'invisible':['|',('sent','=',False), ('state', 'not in', ('open','paid'))]}" groups="base.group_user"/>
+                    <button name="action_invoice_sent" string="Send &amp; Print" type="object" attrs="{'invisible':['|',('sent','=',True), ('state', 'not in', ('open','paid'))]}" class="oe_highlight" groups="base.group_user"/>
+                    <button name="action_invoice_sent" string="Send &amp; Print" type="object" attrs="{'invisible':['|',('sent','=',False), ('state', 'not in', ('open','paid'))]}" groups="base.group_user"/>
                     <button name="%(action_account_invoice_payment)d" id="account_invoice_payment_btn" type="action"
                             attrs="{'invisible': [('state', '!=', 'open')]}"
                             string="Register Payment" groups="account.group_account_invoice" class="oe_highlight"/>
diff --git a/addons/account/wizard/__init__.py b/addons/account/wizard/__init__.py
index 1529b392790..583ed252aeb 100644
--- a/addons/account/wizard/__init__.py
+++ b/addons/account/wizard/__init__.py
@@ -22,3 +22,4 @@ from . import account_report_aged_partner_balance
 from . import setup_wizards
 from . import wizard_tax_adjustments
 from . import account_report_tax
+from . import multi_compose_message
diff --git a/addons/account/wizard/multi_compose_message.py b/addons/account/wizard/multi_compose_message.py
new file mode 100644
index 00000000000..cdbae7610f2
--- /dev/null
+++ b/addons/account/wizard/multi_compose_message.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models
+
+
+class MultiComposer(models.TransientModel):
+
+    _name = 'multi.compose.message'
+    _inherit = 'mail.compose.message'
+
+    company_id = fields.Many2one('res.company', string='Company', required=True, readonly=True,
+        default=lambda self: self.env.user.company_id.id)
+    is_email = fields.Boolean('Email', default=lambda self: self.env.user.company_id.is_email)
+    is_print = fields.Boolean('Print', default=lambda self: self.env.user.company_id.is_print)
+    printed = fields.Boolean('Is Printed', default=False)
+    partner_ids = fields.Many2many(
+        'res.partner', 'account_compose_message_res_partner_rel',
+        'wizard_id', 'partner_id', 'Additional Contacts')
+    attachment_ids = fields.Many2many(
+        'ir.attachment', 'account_compose_message_ir_attachments_rel',
+        'wizard_id', 'attachment_id', 'Attachments')
+    print_attachment_id = fields.Many2one('ir.attachment', string='Print Attachment')
+
+    @api.multi
+    def _update_company(self):
+        for rec in self:
+            values = {}
+            for field in ['is_print', 'is_email']:
+                if rec.company_id[field] != rec[field]:
+                    values.update({field: rec[field]})
+            if values:
+                rec.company_id.write(values)
+
+    @api.multi
+    def write(self, vals):
+        res = super(MultiComposer, self).write(vals)
+        self._update_company()
+        return res
+
+    @api.multi
+    @api.onchange('template_id')
+    def onchange_template_id_wrapper(self):
+        self.ensure_one()
+        super(MultiComposer,self).onchange_template_id_wrapper()
+        self.print_attachment_id = self.attachment_ids[:1]
+
+    def _send_email(self):
+        if self.is_email:
+            self.send_mail()
+
+    @api.multi
+    def _print_document(self):
+        """ to override for each type of models that will use this composer."""
+        self.ensure_one()
+        action = {
+            'type': 'ir.actions.act_url',
+            'url': '/web/content/%s?download=true' % (self.print_attachment_id.id),
+            'target': 'new',
+        }
+        self.printed = True
+        return action
+
+    @api.multi
+    def send_and_print_action(self):
+        self.ensure_one()
+        self._send_email()
+        return self._print_document()
+
+    @api.multi
+    def send_action(self):
+        for wizard in self:
+            wizard._send_email()
+        return {'type': 'ir.actions.act_window_close'}
+
+    @api.multi
+    def print_action(self):
+        self.ensure_one()
+        return self._print_document()
diff --git a/addons/account/wizard/multi_compose_message_views.xml b/addons/account/wizard/multi_compose_message_views.xml
new file mode 100644
index 00000000000..7a294573863
--- /dev/null
+++ b/addons/account/wizard/multi_compose_message_views.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <record model="ir.ui.view" id="multi_compose_message_wizard_form">
+            <field name="name">multi.compose.message.form</field>
+            <field name="model">multi.compose.message</field>
+            <field name="groups_id" eval="[(4,ref('base.group_user'))]"/>
+            <field name="arch" type="xml">
+                <form string="Compose Email &amp; Print">
+                    <field name="print_attachment_id" invisible="1"/>
+                    <div name="option_print" class="col-md-12 mb16">
+                        <field name="is_print" widget="boolean_toggle"/>
+                        <b><label for="is_print"/></b>
+                    </div>
+                    <div class="col-md-12 mb16" style="border-bottom: 1px solid #e5e5e5;"></div>
+                    <div name="option_email" class="col-md-12 mb16">
+                        <field name="is_email" widget="boolean_toggle"/>
+                        <b><label for="is_email"/></b>
+                    </div>
+                    <div name="mail_form"  attrs="{'invisible': [('is_email', '=', False)]}">
+                        <group>
+                            <!-- truly invisible fields for control and options -->
+                            <field name="printed" invisible="1"/>
+                            <field name="model" invisible="1"/>
+                            <field name="res_id" invisible="1"/>
+                            <field name="is_log" invisible="1"/>
+                            <field name="company_id" invisible="1"/>
+                            <!-- visible wizard -->
+                            <label for="partner_ids" string="Recipients" groups="base.group_user"/>
+                            <div groups="base.group_user">
+                                <span attrs="{'invisible':['|', ('model', '=', False)]}">Followers of the document and</span>
+                                <field name="partner_ids" widget="many2many_tags_email" placeholder="Add contacts to notify..."
+                                    context="{'force_email':True, 'show_email':True}"/>
+                            </div>
+                            <field name="subject" placeholder="Subject..." required="True"/>
+                        </group>
+                        <field name="body" options="{'style-inline': true}"/>
+                        <group col="4">
+                            <field name="attachment_ids" widget="many2many_binary" string="Attach a file" nolabel="1" colspan="2"/>
+                            <field name="template_id" options="{'no_create': True}"
+                                context="{'default_model': model, 'default_body_html': body, 'default_subject': subject}"/>
+                        </group>
+                    </div>
+                    <footer>
+                        <button string="Send &amp; Print"
+                            attrs="{'invisible': ['|', '|', ('is_log', '=', True), ('printed', '=', True), '|', ('is_email', '=', False), ('is_print', '=', False)]}"
+                            name="send_and_print_action" type="object" class="btn-primary o_mail_send"/>
+                        <button string="Send"
+                            attrs="{'invisible': ['|', ('is_print', '=', True), ('is_email', '=', False)]}"
+                            name="send_action" type="object" class="btn-primary o_mail_send"/>
+                        <button string="Print"
+                            attrs="{'invisible': ['|', '|', '|', ('is_log', '=', True), ('printed', '=', True), ('is_print', '=', False), ('is_email', '=', True)]}"
+                            name="print_action" type="object" class="btn-primary o_mail_send"/>
+                        <button string="Done" attrs="{'invisible': [('printed', '=', False)]}" special="cancel" class="btn-primary"/>
+                        <button string="Cancel" class="btn-default" special="cancel" />
+                        <button icon="fa-lg fa-save" type="object" name="save_as_template" string="Save as new template"
+                            attrs="{'invisible': ['|', '|', '|', ('is_log', '=', True), ('printed', '=', True), ('is_email', '=', False)]}"
+                            class="pull-right btn-default" help="Save as a new template" />
+                    </footer>
+                </form>
+            </field>
+        </record>
+
+    </data>
+
+</odoo>
diff --git a/addons/snailmail/__init__.py b/addons/snailmail/__init__.py
new file mode 100644
index 00000000000..35e7c9600c5
--- /dev/null
+++ b/addons/snailmail/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+
+from . import models
+from . import wizard
diff --git a/addons/snailmail/__manifest__.py b/addons/snailmail/__manifest__.py
new file mode 100644
index 00000000000..6d147a55bb9
--- /dev/null
+++ b/addons/snailmail/__manifest__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+{
+    'name': "Snail Mail",
+    'website': "https://www.odoo.com",
+    'description': """
+Allows users to send invoices by post
+=====================================================
+        """,
+    'category': 'Tools',
+    'version': '0.1',
+
+    'depends': ['account', 'iap'],
+
+    'data': [
+        'data/mail_activity_data.xml',
+        'wizard/multi_compose_message_views.xml',
+        'views/res_config_settings_views.xml',
+    ],
+}
diff --git a/addons/snailmail/data/mail_activity_data.xml b/addons/snailmail/data/mail_activity_data.xml
new file mode 100644
index 00000000000..191fb9bc03a
--- /dev/null
+++ b/addons/snailmail/data/mail_activity_data.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <record id="mail_activity_data_snailmail" model="mail.activity.type">
+            <field name="name">Snailmail</field>
+            <field name="icon">fa-address-card</field>
+            <field name="sequence">15</field>
+        </record>
+    </data>
+</odoo>
diff --git a/addons/snailmail/models/__init__.py b/addons/snailmail/models/__init__.py
new file mode 100644
index 00000000000..883205a7200
--- /dev/null
+++ b/addons/snailmail/models/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+
+from . import res_company
+from . import res_config_settings
diff --git a/addons/snailmail/models/res_company.py b/addons/snailmail/models/res_company.py
new file mode 100644
index 00000000000..c4875d754ac
--- /dev/null
+++ b/addons/snailmail/models/res_company.py
@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, tools, _
+from odoo.exceptions import ValidationError
+
+
+class Company(models.Model):
+    _inherit = "res.company"
+
+    snailmail_color = fields.Boolean(string='Color', default=False)
+    snailmail_duplex = fields.Boolean(string='Both sides', default=False)
+    snailmail_send_by_letter = fields.Boolean(string='Send by Letter by default', default=True)
diff --git a/addons/snailmail/models/res_config_settings.py b/addons/snailmail/models/res_config_settings.py
new file mode 100644
index 00000000000..52468b7a0f5
--- /dev/null
+++ b/addons/snailmail/models/res_config_settings.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-	
+# Part of Odoo. See LICENSE file for full copyright and licensing details.	
+	
+from odoo import fields, models, api	
+	
+class ResConfigSettings(models.TransientModel):	
+    _inherit = 'res.config.settings'	
+	
+    snailmail_color = fields.Boolean(string='color', related='company_id.snailmail_color')	
+    snailmail_duplex = fields.Boolean(string='Both sides', related='company_id.snailmail_duplex')
diff --git a/addons/snailmail/views/res_config_settings_views.xml b/addons/snailmail/views/res_config_settings_views.xml
new file mode 100644
index 00000000000..ac358451f72
--- /dev/null
+++ b/addons/snailmail/views/res_config_settings_views.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>	
+<odoo>	
+    <record id="res_config_settings_view_form" model="ir.ui.view">	
+        <field name="name">res.config.settings.view.form.inherit.snailmail</field>
+        <field name="model">res.config.settings</field>	
+        <field name="priority" eval="100"/>	
+        <field name="inherit_id" ref="base.res_config_settings_view_form"/>	
+        <field name="arch" type="xml">	
+            <xpath expr="//div[@id='multi_company']" position="after">	
+                <h2>Postal Printings</h2>	
+                <div class="row mt16 o_settings_container">	
+                    <div class="col-xs-12 col-md-6 o_setting_box">	
+                        <div class="o_setting_left_pane">	
+                            <field name="snailmail_duplex"/>	
+                        </div>	
+                        <div class="o_setting_right_pane">	
+                            <label for="snailmail_duplex"/>	
+                            <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>	
+                            <div class="text-muted">	
+                                Choose the layout to print documents	
+                            </div>	
+                        </div>	
+                    </div>	
+
+                    <div class="col-xs-12 col-md-6 o_setting_box">	
+                        <div class="o_setting_left_pane">	
+                            <field name="snailmail_color"/>	
+                        </div>	
+                        <div class="o_setting_right_pane">	
+                            <label for="snailmail_color"/>	
+                            <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>	
+                            <div class="text-muted">	
+                                Choose the ink used to print documents	
+                            </div>	
+                        </div>	
+                    </div>	
+                </div>	
+            </xpath>	
+        </field>	
+    </record>	
+</odoo>
diff --git a/addons/snailmail/wizard/__init__.py b/addons/snailmail/wizard/__init__.py
new file mode 100644
index 00000000000..eebbf14ea53
--- /dev/null
+++ b/addons/snailmail/wizard/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import multi_compose_message
diff --git a/addons/snailmail/wizard/multi_compose_message.py b/addons/snailmail/wizard/multi_compose_message.py
new file mode 100644
index 00000000000..14df5467e7e
--- /dev/null
+++ b/addons/snailmail/wizard/multi_compose_message.py
@@ -0,0 +1,244 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+import re
+
+from odoo import api, fields, models, _
+from odoo.addons.iap import jsonrpc
+
+DEFAULT_ENDPOINT = 'https://iap-services.odoo.com'
+ESTIMATE_ENDPOINT = '/iap/snailmail/1/estimate'
+PRINT_ENDPOINT = '/iap/snailmail/1/print'
+
+
+class MultiComposer(models.TransientModel):
+
+    _name = 'multi.compose.message'
+    _inherit = 'multi.compose.message'
+
+    partner_id = fields.Many2one('res.partner', string='Partner')
+    snailmail_color = fields.Boolean(string='Color', default=lambda self: self.env.user.company_id.snailmail_color)
+    snailmail_duplex = fields.Boolean(string='Both side', default=lambda self: self.env.user.company_id.snailmail_duplex)
+    snailmail_send_by_letter = fields.Boolean('Post', default=lambda self: self.env.user.company_id.snailmail_send_by_letter)
+
+    snailmail_cost = fields.Float(string='Credits', compute='_snailmail_estimate', store=True, readonly=True)
+    currency_id = fields.Many2one('res.currency', default=lambda self: self.env.user.company_id.currency_id.id, string="Currency")
+
+    @api.multi
+    def _update_company(self):
+        super(MultiComposer,self)._update_company()
+        for rec in self:
+            if rec.company_id.snailmail_send_by_letter != rec.snailmail_send_by_letter:
+                rec.company_id.write({
+                    'snailmail_send_by_letter': rec.snailmail_send_by_letter,
+                })
+
+    @api.multi
+    def _snailmail_create(self, route, batch=False):
+        """
+        Create a dictionnary object to send to snailmail server.
+
+        :return: Dict in the form:
+        {
+            account_token: string,    //IAP Account token of the user
+            documents: [{
+                pages: int,
+                pdf_bin: pdf file
+                res_id: int (client-side res_id),
+                res_model: char (client-side res_model),
+                address: {
+                    name: char,
+                    street: char,
+                    street2: char (OPTIONAL),
+                    zip: int,
+                    city: char,
+                    state: char (state code (OPTIONAL)),
+                    country_code: char (country code)
+                }
+                return_address: {
+                    name: char,
+                    street: char,
+                    street2: char (OPTIONAL),
+                    zip: int,
+                    city: char,
+                    state: char (state code (OPTIONAL)),
+                    country_code: char (country code)
+                }
+            }],
+            options: {
+                color: boolean (true if color, false if black-white),
+                duplex: boolean (true if duplex, false otherwise),
+            }
+        }
+        """
+        account_token = self.env['iap.account'].get('snailmail').account_token
+        documents = []
+        pdf = self.print_attachment_id.datas
+        if pdf:
+            documents.append({
+                'pdf_bin': route == 'print' and pdf,
+                'pages': route == 'estimate' and self._count_pages_pdf(pdf),
+                'address': {
+                    'name': self.partner_id.name,
+                    'street': self.partner_id.street,
+                    'street2': self.partner_id.street2,
+                    'zip': self.partner_id.zip,
+                    'state': self.partner_id.state_id.code if self.partner_id.state_id else False,
+                    'city': self.partner_id.city,
+                    'country_code': self.partner_id.country_id.code
+                },
+                'return_address': {
+                    'name': self.company_id.partner_id.name,
+                    'street': self.company_id.partner_id.street,
+                    'street2': self.company_id.partner_id.street2,
+                    'zip': self.company_id.partner_id.zip,
+                    'state': self.company_id.partner_id.state_id.code if self.company_id.partner_id.state_id else False,
+                    'city': self.company_id.partner_id.city,
+                    'country_code': self.company_id.partner_id.country_id.code,
+                }
+            })
+        return {
+            'account_token': account_token,
+            'documents': documents,
+            'options': {
+                'color': self.snailmail_color,
+                'duplex': self.snailmail_duplex,
+            },
+            'batch': batch,
+        }
+
+    @api.multi
+    def action_snailmail_print(self):
+        """
+        get response
+        {
+            'request_code': RESPONSE_OK, # 200 if good or fail
+            'total_cost': total_cost,
+            'credit_error': credit_error,
+            'request': {
+                'documents': documents,
+                'options': options
+                }
+            }
+        }
+        """
+        self.ensure_one()
+        endpoint = self.env['ir.config_parameter'].sudo().get_param('snailmail.endpoint', DEFAULT_ENDPOINT)
+        params = self._snailmail_create('print', batch=True)
+        response = jsonrpc(endpoint + PRINT_ENDPOINT, params=params)
+
+        error = False
+        doc = response['request']['documents'][0]
+        record = self.env[self.model].browse(self.res_id)
+        if doc.get('sent') and response['request_code'] == 200:
+            if hasattr(record, '_message_log'):
+                message = _('The document was correctly sent by post.<br>The tracking id is %s' % doc['send_id'])
+                record._message_log(body=message)
+        else:
+            activity_data = {
+                'res_id': self.res_id,
+                'res_model_id': self.env['ir.model']._get(self.model).id,
+                'activity_type_id': self.env.ref('snailmail.mail_activity_data_snailmail').id,
+                'summary': _('Post letter: an error occured.'),
+                'note': _('An error occured when sending the document by post.<br>Error: %s' % \
+                self._get_error_message(doc['error'] if response['request_code'] == 200 else response['reason'])),
+                'user_id': self.env.user.id,
+            }
+            self.env['mail.activity'].create(activity_data)
+            error = True
+        if not error:
+            notification = _('Post letter: document sent.')
+        else:
+            notification = _('Post letter: an error occured. Please check the document for more information.')
+        # as we interact with the exterior world, we commit
+        self.env.cr.commit()
+        self._update_company()
+        return {
+            'error': error,
+            'message': notification,
+        }
+
+    @api.multi
+    @api.depends('print_attachment_id')
+    @api.onchange('snailmail_send_by_letter')
+    def _snailmail_estimate(self):
+        """
+        Send a request to estimate the cost of sending all the documents with
+        the differents options.
+
+        The JSON object sent is the one generated from self._snailmail_create()
+
+        arguments sent:
+        {
+            "documents":[{
+                pages: int,
+                res_id: int (client_side, optional),
+                res_model: int (client_side, optional),
+                address: {
+                    country_code: char (country name)
+                }
+            }],
+            'color': # color on the letter,
+            'duplex': # one/two side printing,
+        }
+
+        The answer of the server is the same JSON object with some additionnal fields:
+        {
+            "total_cost": integer,      //The cost of sending ALL the documents
+            body: JSON object (same as body param except new param 'cost' in each documents)
+        }
+        """
+        for composer in self:
+            if not composer.partner_id:
+                composer.partner_id = self.env[self.model].browse(self.res_id).partner_id
+
+            if composer.snailmail_send_by_letter and composer.print_attachment_id :# and not composer.is_estimated:
+                endpoint = self.env['ir.config_parameter'].sudo().get_param('snailmail.endpoint', DEFAULT_ENDPOINT)
+
+                params = composer._snailmail_create('estimate')
+                req = jsonrpc(endpoint + '/iap/snailmail/1/estimate', params=params)
+                composer.is_estimated = True
+
+                # The cost is sent in eurocents, we change it to euros and then convert it to the company currency
+                cost = int(req['total_cost'])/100.0
+                currency_eur = self.env.ref('base.EUR')
+
+                composer.snailmail_cost = currency_eur._convert(cost, self.currency_id, self.company_id, fields.Datetime.now())
+
+    # all the print stuff will go to the cron onsnailail print orders
+
+    def _count_pages_pdf(self, bin_pdf):
+        """ Count the number of pages of the given pdf file.
+            :param bin_pdf : binary content of the pdf file
+        """
+        pages = 0
+        for match in re.compile(b"/Count\s+(\d+)").finditer(bin_pdf):
+            pages = int(match.group(1))
+        return pages
+
+    def _get_error_message(self, error):
+        if error == 'CREDIT_ERROR':
+            link = self.env['iap.account'].get_credits_url(service_name='snailmail')
+            return _('You don\'t have enough credits to perform this operation.<br>Please go to your <a href=%s target="new">iap account</a>.' % link)
+        if error == 'NO_PRICE_AVAILABLE':
+            return _('The country of the partner is not covered by Snailmail.')
+        if error == 'MISSING_REQUIRED_FIELDS':
+            return _('One or more required fields are empty.')
+        if error == 'SOMETHING_IS_WRONG':
+            return _('An unknown error happened. Please contact the support.')
+        return error
+
+
+    @api.multi
+    def send_and_print_action(self):
+        res = super(MultiComposer,self).send_and_print_action()
+        if self.snailmail_send_by_letter:
+            self.action_snailmail_print()
+        return res
+
+    @api.multi
+    def send_action(self):
+        res = super(MultiComposer,self).send_action()
+        for wizard in self:
+            if wizard.snailmail_send_by_letter:
+                wizard.action_snailmail_print()
+        return res
diff --git a/addons/snailmail/wizard/multi_compose_message_views.xml b/addons/snailmail/wizard/multi_compose_message_views.xml
new file mode 100644
index 00000000000..eb745dee905
--- /dev/null
+++ b/addons/snailmail/wizard/multi_compose_message_views.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <record model="ir.ui.view" id="multi_compose_message_inherit_account_wizard_form">
+            <field name="name">multi.compose.message.form.inherited.snailmail</field>
+            <field name="model">multi.compose.message</field>
+            <field name="inherit_id" ref="account.multi_compose_message_wizard_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//div[@name='option_email']" position='before'>
+                    <div name="option_letter" class="col-md-12 mb16">
+                        <div name="option" class="pull-left">
+                            <field name="snailmail_send_by_letter" widget="boolean_toggle"/>
+                            <b><label for="snailmail_send_by_letter"/></b>
+                        </div>
+                        <div class="pull-right" name='cost' attrs="{'invisible': [('snailmail_send_by_letter','=',False)]}">
+                            <field name="currency_id" invisible="1"/>
+                            <b><field name="snailmail_cost" widget='monetary' options="{'currency_field': 'currency_id'}"/></b>
+                        </div>  
+                    </div>
+                    <div name="address_form"  attrs="{'invisible': [('snailmail_send_by_letter', '=', False)]}">
+                        <group>
+                            <field string="Delivery Address" name="partner_id" readonly="1" force_save="1" context="{'show_address': 1}" options="{'always_reload': True, 'no_quick_create': True}" />
+                        </group>
+                    </div>
+                    <div class="col-md-12 mb16" style="border-bottom: 1px solid #e5e5e5;"></div>
+                </xpath>
+                <xpath expr="//footer/button[@name='send_and_print_action']" position='attributes'>
+                    <attribute name="attrs">{'invisible': ['|', '|', ('is_log', '=', True), ('printed', '=', True), '|', ('is_print', '=', False), '&amp;', '&amp;', ('is_print', '=', True), ('snailmail_send_by_letter', '=', False), ('is_email', '=', False)]}</attribute>
+                </xpath>
+                <xpath expr="//footer/button[@name='send_action']" position='attributes'>
+                    <attribute name="attrs">{'invisible': ['|' , ('is_log', '=', True), '|', ('is_print', '=', True), '&amp;', '&amp;', ('is_print', '=', False), ('snailmail_send_by_letter', '=', False), ('is_email', '=', False)]}</attribute>
+                </xpath>
+                <xpath expr="//footer/button[@name='print_action']" position='attributes'>
+                    <attribute name="attrs">{'invisible': ['|', '|', '|', '|', ('printed', '=', True), ('is_log', '=', True), ('is_print', '=', False), ('snailmail_send_by_letter', '=', True), ('is_email', '=', True)]}</attribute>
+                </xpath>
+            </field>
+        </record>
+    </data>
+</odoo>