[Resolved] cURL error 6: Could not resolve host: api.mailgun.net (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

Error message

cURL error 6: Could not resolve host: api.mailgun.net (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

Solution

The solution maybe strange, go restart your server, it may be solved, at least this works for me.

Reference

https://laracasts.com/discuss/channels/servers/laravel-guzzle-curl-error-6-could-not-resolve-host-http-see-httpcurlhaxxselibcurlclibcurl-errorshtml