$bound = 'spravka-1234';

$emailTo = 'neon12121@gmail.com';

$subject = "=?utf-8?b?".base64_encode('Заказ услуги')."?=";

$headers = 'From: us <'.$emailTo.'>'."\r\n";

$headers .= "Mime-Version: 1.0\r\n";

$headers .= "Content-type: multipart/mixed; boundary=\"$bound\"\r\n";

               

               

$text .= "--$bound-\r\n";

$text .= "Content-type: text/plain; charset=\"utf-8\"\r\n";

$text .= "Content-Transfer-Encoding: quoted-printable\r\n";

 

$text .= "Some text\r\n";

               

$file_name = 'data.csv';

$file = fopen($file_name,"rb");

if(!$file){echo 'файл не прочитан!';exit;}

$fread = fread($file,filesize($file_name));

$text .= "\r\n--$bound\r\n";

$text .= "Content-type: application/octet-stream; name=\"=?utf-8?b?".base64_encode($file_name)."?=\"\n";

$text .= "Content-Transfer-Encoding:base64\n";

$text .= "Content-Disposition:attachment filename=\"$file_name\"\n\n";

$text .= chunk_split(base64_encode($fread))."\n";

$text .= "\r\n--$bound--\r\n";

               

mail($emailTo,$subject,$text,$headers);