title: cURL error 7: Failed to connect to api.mailgun.net port 443
body: <p>I'm trying mailgun service to send mails with Laravel 5.2.29 using the driver (guzzlehttp/guzzle) in the sandbox domain first. But after confire de domain, and the API key I get alway the error:
  cURL error 7: Failed to connect to api.mailgun.net port 443</p>
  
  <p>Any idea please?</p>
  
  <p>regards</p>