### Mailgun setup
- install Guzzle HTTP library : ```composer require guzzlehttp/guzzle```
- [sign up to mailgun] (http://www.mailgun.com)
- Go to ```Domains``` tab and click on domains
- You will find the necessary data for ```.env``` setup
- MAIL_DRIVER=mailgun
- MAIL_HOST=smtp.mailgun.org
- MAIL_PORT=587
- MAIL_USERNAME=postmaster@sandbox------------------------------6f.mailgun.org
- MAIL_PASSWORD=502fd951f7------------------------
- MAILGUN_DOMAIN=sandbox21f9a-----------------------166f.mailgun.org
- MAILGUN_SECRET=key-ee-----------------------------
-Now your mailgun configuration is complete and your are to send email