PHP:
$from = "admin"; //
$to = "tiger1989@mail.ru"; //
$filename = "certificates/image.jpg"; //
$subj = 'TIGER IMAGE'; //
$text = 'Hello from tigercms.com'; //
$f = fopen($filename,"rb"); // $filename
$un = strtoupper(uniqid(time()));
$head = "From: $fromn"; //
$head .= "To: $to ";
$head .= "Subject: $subj ";
$head .= "X-Mailer: PHPMail Tool ";
$head .= "Reply-To: $from ";
$head .= "Mime-Version: 1.0 ";
$head .= "Content-Type:multipart/mixed;";
$head .= "boundary="----------".$un."" ";
$zag = "------------".$un." Content-Type:text/html; ";
$zag .= "Content-Transfer-Encoding: 8bit $text ";
$zag .= "------------".$un." ";
$zag .= "Content-Type: application/octet-stream;";
$zag .= "name="".basename($filename)."" ";
$zag .= "Content-Transfer-Encoding:base64 ";
$zag .= "Content-Disposition:attachment;";
$zag .= "filename="".basename($filename)."" ";
$zag .= chunk_split(base64_encode(fread($f,filesize($filename))))." "; //
// base64, "chunk_split"
mail("$to", "$subj", $zag, $head); // mail()
font>