Update README.md

README.md

@@ -2,10 +2,34 @@
 
 Random SMTP server support for Mautic
 
-### Install by composer
+### Installation from command line
 
-`composer require mtcextendee/mautic-random-smtp-bundle`
+- `composer require mtcextendee/mautic-random-smtp-bundle`
+- `php app/console mautic:plugins:reload`
+
+### Setup plugin
+
+#### Plugin configuration
+
+1. Paste SMTP servers to plugins setting (comma separated list of SMTP servers on each line)
+
+You can use columns:
+
+  - host
+  - username
+  - password
+  - port - Is not required. Default is 25
+  - authenitication mode - is not required. Default is none. Other options are plain, login or cram-md5
+  - encryption - is not required. Default is none. Other options are ssl or tls
+
+2. Match column number with each parameter. Start from 0
+
+![image](https://user-images.githubusercontent.com/462477/55195617-652ab300-51ad-11e9-9565-b2bb03e49543.png)
+
+3. Go to configurations and choose Random SMTP from service provider list
+
+![image](https://user-images.githubusercontent.com/462477/55195914-34974900-51ae-11e9-888b-0ceabb60ebf1.png)
 
 ### More
 
-Extensions family for Mautic <a href="https://mtcextendee.com" target="_blank">mtcextendee.com</a>
+Extensions family for Mautic <a href="https://mtcextendee.com" target="_blank">mtcextendee.com</a>