Mailgun API 官方文档：https://documentation.mailgun.com/user_manual.html#introduction

注册Mailgun 并根据流程获取 Domain(service_url)  和 api_key

然后就只需编写以下代码即可了

1 //附件 2 $filePath='@../upload/pdf/20170209094311.pdf';   3  4 $curl_post_data=array( 5     'from'    => '***@***.com', 6     'to'      => '***@***.com', 7     // 'bcc'     => '' 8     'subject' => 'Hello', 9     'text'    => 'test',10     'html'      => '
Hello Word!
',11 'attachment[1]' => $filePath12 );13 14 $service_url = 'https://api.mailgun.net/v3/mg.*****.com/messages';15 $curl = curl_init($service_url);16 curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);17 curl_setopt($curl, CURLOPT_USERPWD, "api:key-************"); 18 19 curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);20 curl_setopt($curl, CURLOPT_POST, true);21 22 curl_setopt($curl, CURLOPT_POSTFIELDS, $curl_post_data);23 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); 24 25 26 $curl_response = curl_exec($curl);27 $response = json_decode($curl_response);28 curl_close($curl);29 30 var_dump($response);