PHPMailler kütüphanesini kullanman gerekiyor .

$mail_from , $mail_fromname , $mail_pw gibi parametreleri tanımladıktan sonra aşağıdaki kod bloğunu kullanarak iletebilirsin.

    if (!empty($file)){
                            $mailBody     = "<!DOCTYPE html>".
                                             "<html>".
                                             "<head>".
                                                "<meta http-equiv='Content-Type' content='text/html; charset=utf-8'/>".
                                                "<style>".
                                                    ".tFontO  { font-family:'Open Sans',Calibri,Candara,Arial,sans-serif; }".
                                                    ".tSize12 { font-size:18px; }".
                                                "</style>".
                                             "</head>".
                                             "<body>".
                                                  "<p class='tFontO tSize12'>".$file ."</p>".
                                            "</body>".
                                            "</html>";  
                                            
                             $phpmail->IsSMTP();  
                             $phpmail->From     = $mail_from;                     
                             $phpmail->Sender   = $mail_from;                     
                             $phpmail->FromName = $mail_fromname;
                             $phpmail->Host     = $mail_host;
                             $phpmail->Port     = $mail_port;
                             $phpmail->CharSet  = "iso-8859-9";
                             $phpmail->Username = $mail_from;                     
                             $phpmail->Password = $mail_pw;                     
                             $phpmail->WordWrap = 50;
                             $phpmail->IsHTML(true); 
                             if (!empty($mail_secure)){
                                 $phpmail->SMTPSecure = $mail_secure; 
                             }
                             if (!empty($mail_auth)){
                                 if ($mail_auth=="true")  $phpmail->SMTPAuth = true;
                                 if ($mail_auth=="false") $phpmail->SMTPAuth = false;
                             }
                             $phpmail->Subject  = $testTanim;
                             $phpmail->Body     = $mailBody;
                             $phpmail->AltBody  = $mailBody;
                             $phpmail->AddAddress($eposta_);
                             $phpmail->Send();
                             $phpmail->ClearAddresses();
                             $phpmail->ClearAttachments();  

                      
                    }