Connection could not be established with host mailtrap.io [php_network_getaddresses: getaddrinfo failed: No such host is known. #0]

Question

I am getting below error:

Connection could not be established with host smtp.gmail.com [php_network_getaddresses: getaddrinfo failed: No such host is kno

Answer 1

I just had this same problem.

It looks like the server is not able to ping the destination address.

I did a quick restart of my dev server and everything is back to normal.

Hope that helps.