title: Swift_TransportException when when user register
body: <p>I'm building my website using PyroCMS and it gives me an error when user submit his/her register form.</p>
  
  <pre><code>Swift_TransportException
  Process could not be started [The system cannot find the path specified. ]
  </code></pre>
  
  <p>By searching about this error I found <a href="https://stackoverflow.com/a/36187597/6570409">this</a> answer. But it didn't worked for me. </p>
  
  <p>Follow is my .env file fields. Is this problem with these configurations or else?</p>
  
  <pre><code>APP_ENV=local
  INSTALLED=true
  APP_KEY=app_key
  APP_DEBUG=true
  DEBUG_BAR=false
  DB_CONNECTION=mysql
  DB_HOST=localhost
  DB_DATABASE=pyrocms
  DB_USERNAME=root
  DB_PASSWORD="123"
  APPLICATION_NAME="Default"
  APPLICATION_DOMAIN=127.0.0.1:8001
  APPLICATION_REFERENCE=default
  DEFAULT_LOCALE=en
  APP_TIMEZONE=Asia/Colombo
  APP_URL=http://127.0.0.1:8001
  ADMIN_USERNAME=admin
  ADMIN_EMAIL=dilushadasanayaka@gmail.com
  ADMIN_PASSWORD=password
  </code></pre>