title: Can't send Emails with Symfony Application but console works
body: <p>I have an old project in front of me. Application-generated emails do not arrive. But If I use following command they arrive.</p>
  
  <pre><code>php bin/console swiftmailer:email:send -vvv --from=example@example.org --to=example@example.org --subject=mailTest --body=testSMTP --env=prod
  </code></pre>
  
  <p>Console and application should use the same parameters.</p>
  
  <pre><code>mailer_transport:  smtp
  mailer_host:       MYSUBDOMAIN.MYHOSTER.net
  mailer_port:       587
  mailer_user:       myexample@exampleemail.org
  mailer_password:   password
  mailer_auth_mode:  login
  mailer_encryption: ssl
  </code></pre>
  
  <p>Application was developed with Symfony 3.1.4 and Swiftmailer 2.3.</p>
  
  <p>Can you give me an advice, please?</p>
  
  <p>Thanks.</p>