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docs/english-documentation/introduction/servers/dev_mailserver.md

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+# Development Mail Server
+
+This is a example to how integrate a mailing service with a development environment of Consul.
+
+In this example we used [Mailgun](https://www.mailgun.com/).
+
+## Create an account in Mailgun
+
+![Creating an account in Mailgun](../../../.gitbook/assets/mailgun-create-account%20%281%29.png)
+
+* Skip the credit card form
+* And activate your account with the link sent by email
+
+## Domain configuration
+
+* Go to the Domains section: ![Mailgun domain section](../../../.gitbook/assets/mailgun-domains%20%281%29.png)
+* Since you don't have a domain yet, you should click in the sandbox that is already created;
+* Remember the next credentials:
+
+  ![Mailgun sandbox](../../../.gitbook/assets/mailgun-sandbox%20%281%29.png)
+
+## Consul mailing configuration for development environment
+
+* Go to `config/environments/development.rb` file;
+* Add the lines on the file to configure the mail server:
+
+```ruby
+  config.action_mailer.delivery_method = :smtp
+  config.action_mailer.perform_deliveries = true
+  config.action_mailer.smtp_settings = {
+      :address              => '',
+      :port                 => 2525,
+      :domain               => '',
+      :user_name            => '',
+      :password             => '',
+      :authentication => :plain,
+      :enable_starttls_auto => true,
+      :ssl => false
+  }
+```
+
+* Fill, `address`, `domain`, `user_name`, `password` with your information. The file would look like:
+
+![development.rb file](../../../.gitbook/assets/development.rb%20%281%29.png)
+
+## Consul mailing configuration for production environment
+
+* Go to `config/environments/production.rb` file.
+* Add the same **action mailer settings** configuration, but now with your production mail server information.
+* Pay attention because you will need to change the **port** number to **587**.
+
+You can also use Mailgun to production, adding your custom domain. Mailgun’s logs sent and delivered emails.
+