diff --git a/mail_mailgun/doc/index.rst b/mail_mailgun/doc/index.rst
index 60e0a27..398b548 100644
--- a/mail_mailgun/doc/index.rst
+++ b/mail_mailgun/doc/index.rst
@@ -5,22 +5,36 @@
 Usage
 =====
 
-First we should register on mailgun.com.
-After registgration there will be one domain available. E.g. sandbox5543f1479be64e5aac193406b4cdccf8.mailgun.org.
-From this point we could already use API calls to mailgun API. There is API key on the
-https://mailgun.com/app/domains/sandbox5543f1479be64e5aac193406b4cdccf8.mailgun.org page.
-We can do all operations using mailgun API if we know our API key. More about it
-on https://documentation.mailgun.com/.
-
-There is 'Add New Domain' on the https://mailgun.com/app/domains to add new domains.
-All domains that we add manually should be verified.
-After adding your domain you will see the https://mailgun.com/app/domains/<yourdomain>/verify page
-with instructions on how to verify and use new domain.
-
-To receive incoming messages we specify so called routes on mailgun.
-You can see more about the routes here https://documentation.mailgun.com/user_manual.html#receiving-forwarding-and-storing-messages
-
-Instruction how to check that module works. What shall user do and what would user get, e.g.
-* Open menu ...
-* Click ...
+* register on http://mailgun.com       
+* On https://mailgun.com/app/domains click on sandbox...mailgun.org domain. Here you can see all information needed to configure odoo outgoing mail feature
+* Copy API Key value into odoo
+
+  * Open menu Settings/Parameters/System Parameters
+  * Edit mailgun.apikey parameter
+  * Put API Key from mailgun into Value field and save
+
+* From https://mailgun.com/cp/routes create new route
+
+  * Priority: ``0``
+  * Filter expression: ``catch_all()``
+  * Actions: ``store(notify="http://<your odoo domain>/mailgun/notify")``
+
+* In odoo remove 'localhost' Outgoing Mail Server and create 'mailgun'. Now you can send emails
+* From odoo menu Settings/General Settings edit Alias Domain
+
+  * Put your mailgun domain here. E.g. sandbox...mailgun.org
+  * Click 'Apply' button
+
+* Edit Messaging Alias for your user. Now you can receive emails that is sent to configured alias email address.
+
+  * From menu Settings/Users/Users open you user and click 'Edit'
+  * On Preference tab put alias into Messaging Alias field and click 'Save'. E.g. ``admin@sandbox...mailgun.org``
+
+* Send email on ``admin@sandox...mailgun.org``
+* Open ``Discuss`` from odoo
+* See your message there
+* Stop odoo and send several emails again. On odoo starting you see all your messages in ``Discuss``
+
+
+