Отправка почты между кодом. Как?

mail('admin@mysite.com', 'Блокировка IP-адреса при входе в Админ-Панель', 'Разблокируй меня. Логин:');

<?php
require_once (ENGINE_DIR .'/data/config.php');
require_once (ENGINE_DIR .'/classes/mysql.php');
require_once (ENGINE_DIR .'/data/dbconfig.php');
// Моя вставка для АнтиБрут
require_once (ENGINE_DIR .'/data/antibrut.php');
// Конец
require_once (ENGINE_DIR .'/inc/include/functions.inc.php');
 
if( $config['http_home_url'] == "") {
$config['http_home_url'] = explode( $config['admin_path'],$_SERVER['PHP_SELF'] );
$config['http_home_url'] = reset( $config['http_home_url'] );
$config['http_home_url'] = "http://".$_SERVER['HTTP_HOST'] .$config['http_home_url'];
$auto_detect_config = true;
}
 
$selected_language = $config['langs'];
if (isset( $_POST['selected_language'] )) {
$_POST['selected_language'] = totranslit( $_POST['selected_language'],false,false );
if ($_POST['selected_language'] != ""AND @is_dir ( ROOT_DIR .'/language/'.$_POST['selected_language'] )) {
$selected_language = $_POST['selected_language'];
set_cookie ( "selected_language",$selected_language,365 );
}
}elseif (isset( $_COOKIE['selected_language'] )) {
$_COOKIE['selected_language'] = totranslit( $_COOKIE['selected_language'],false,false );
if ($_COOKIE['selected_language'] != ""AND @is_dir ( ROOT_DIR .'/language/'.$_COOKIE['selected_language'] )) {
$selected_language = $_COOKIE['selected_language'];
}
}
if ( file_exists( ROOT_DIR .'/language/'.$selected_language .'/adminpanel.lng') ) {
require_once (ROOT_DIR .'/language/'.$selected_language .'/adminpanel.lng');
}else die("Language file not found");
$config['charset'] = ($lang['charset'] != '') ?$lang['charset'] : $config['charset'];
check_xss();
 
$Timer = new microTimer( );
$Timer->start();
$is_loged_in = FALSE;
$member_id = array ();
$result = "";
$username = "";
$cmd5_password = "";
$allow_login = false;
$check_log = false;
$js_array = array ();
$PHP_SELF = $_SERVER['PHP_SELF'];
$_IP = $db->safesql( $_SERVER['REMOTE_ADDR'] );
$_TIME = time () +($config['date_adjust'] * 60);
require_once (ENGINE_DIR .'/skins/default.skin.php');
if( isset( $_POST['action'] ) ) $action = $_POST['action'];
else $action = $_GET['action'];
if( isset( $_POST['mod'] ) ) $mod = $_POST['mod'];
else $mod = $_GET['mod'];
$mod = totranslit ( $mod,true,false );
$action = totranslit ( $action,false,false );
 
$user_group = get_vars( "usergroup");
if( !$user_group ) {
$user_group = array ();
$db->query( "SELECT * FROM ".USERPREFIX ."_usergroups ORDER BY id ASC");
while ( $row = $db->get_row() ) {
$user_group[$row['id']] = array ();
foreach ( $row as $key =>$value ) {
$user_group[$row['id']][$key] = stripslashes($value);
}
}
set_vars( "usergroup",$user_group );
$db->free();
}
$cat_info = get_vars( "category");
if( !is_array( $cat_info ) ) {
$cat_info = array ();
$db->query( "SELECT * FROM ".PREFIX ."_category ORDER BY posi ASC");
while ( $row = $db->get_row() ) {
$cat_info[$row['id']] = array ();
foreach ( $row as $key =>$value ) {
$cat_info[$row['id']][$key] = stripslashes( $value );
}
}
set_vars( "category",$cat_info );
$db->free();
}
if( count( $cat_info ) ) {
foreach ( $cat_info as $key ) {
$cat[$key['id']] = $key['name'];
$cat_parentid[$key['id']] = $key['parentid'];
}
}
if( $_REQUEST['action'] == "logout") {
set_cookie( "dle_user_id","",0 );
set_cookie( "dle_name","",0 );
set_cookie( "dle_password","",0 );
set_cookie( "dle_skin","",0 );
set_cookie( "dle_newpm","",0 );
set_cookie( "dle_hash","",0 );
set_cookie( "dle_compl","",0 );
set_cookie( session_name(),"",0 );
@session_unset();
@session_destroy();
if( $config['extra_login'] ) auth();
msg( "info",$lang['index_msge'],$lang['index_exit'] );
}
$allow_login = true;
if ($config['login_log']) $allow_login = check_allow_login ($_IP,$config['login_log']);
if (!$allow_login) msg( "info",$lang['index_msge'],$lang['login_err_2'] );
if( $allow_login ) {
if( $config['extra_login'] ) {
if( !isset( $_SERVER['PHP_AUTH_USER'] ) ||!isset( $_SERVER['PHP_AUTH_PW'] ) ) auth();
$username = $_SERVER['PHP_AUTH_USER'];
$cmd5_password = md5( $_SERVER['PHP_AUTH_PW'] );
$post = true;
$check_log = true;
}elseif( intval( $_SESSION['ftr_user_id'] ) >0 AND $_SESSION['ftr_password'] ) {
$username = $_SESSION['ftr_user_id'];
$cmd5_password = $_SESSION['ftr_password'];
$post = false;
if (!$_SESSION['check_log']) $check_log = true;
}elseif( intval( $_COOKIE['ftr_user_id'] ) >0 AND $_COOKIE['ftr_password']) {
$username = $_COOKIE['ftr_user_id'];
$cmd5_password = $_COOKIE['ftr_password'];
$post = false;
$check_log = true;
}
if( $_REQUEST['subaction'] == 'dologin') {
$username = $_POST['username'];
$cmd5_password = md5( $_POST['password'] );
$post = true;
$check_log = true;
}
}
if( check_login( $username,$cmd5_password,$post,$check_log ) ) {
// Вторая вставка для АнтиБрут
$db->query('DELETE FROM `hsm_antibrut` WHERE `unban`<="' . (int)date("d") . '" AND `unban`>"0"');
// Конец
$is_loged_in = true;
$dle_login_hash = md5( $_SERVER['HTTP_HOST'] .$member_id['user_id'] .sha1($cmd5_password) .$config['key'] .date( "Ymd") );
if( !$_SESSION['ftr_user_id'] and $_COOKIE['ftr_user_id'] ) {
$_SESSION['ftr_user_id'] = $_COOKIE['ftr_user_id'];
$_SESSION['ftr_password'] = $_COOKIE['ftr_password'];
}
}else {
$dle_login_hash = "";
if( $_REQUEST['subaction'] == 'dologin') {
/* Здесь заменил для АнтиБрут - $result = "<font color=red>".$lang['index_errpass'] ."</font>";
}else - на*/
global $antibrut_cf;
$res = $db->get_row($db->query('SELECT `col` FROM `hsm_antibrut` WHERE `ip`="' . $_SERVER['REMOTE_ADDR'] . '"'));
$col = $res['col'];
$ravno = $antibrut_cf['chislo'] - $col;
$result = "<font color=red>".$lang['index_errpass'] ." Осталось попыток ".$ravno."</font>";
if($res = $db->get_row($db->query('SELECT `col` FROM `hsm_antibrut` WHERE `ip`="' . $_SERVER['REMOTE_ADDR'] . '"')) )
{
$col = $res['col'];
if($col < $antibrut_cf['chislo'])
{
$db->query('UPDATE `hsm_antibrut` SET `col` = "' . ($col+1) . '" WHERE `ip`="' . $_SERVER['REMOTE_ADDR'] . '"');
}
else
{
$date = (int)date("d") + 1;
$db->query('UPDATE `hsm_antibrut` SET `unban` = "' . $date . '" WHERE `ip`="' . $_SERVER['REMOTE_ADDR'].'"');
}
}
else
{
$db->query('INSERT INTO `hsm_antibrut` ( `ip` , `col` , `unban` ) VALUES ("'. $_SERVER['REMOTE_ADDR'] .'", "1", "") ');
}
}else
// Конец
$result = "";
if( $config['extra_login'] ) auth();
$is_loged_in = false;
}
if( $is_loged_in and !$_SESSION['ftr_xtra'] and $config['extra_login'] ) {
$_SESSION['ftr_xtra'] = true;
$_REQUEST['subaction'] = 'dologin';
}
if( $is_loged_in and $_REQUEST['subaction'] == 'dologin') {
$_SESSION['ftr_user_id'] = $member_id['user_id'];
$_SESSION['ftr_password'] = $cmd5_password;
if ( intval($_POST['login_not_save']) ) {
set_cookie( "dle_user_id","",0 );
set_cookie( "dle_password","",0 );
}else {
set_cookie( "dle_user_id",$member_id['user_id'],365 );
set_cookie( "dle_password",$cmd5_password,365 );
}
$time_now = time() +($config['date_adjust'] * 60);
if ($config['login_log']) $db->query( "DELETE FROM ".PREFIX ."_login_log WHERE ip = '{$_IP}'");
if( $config['log_hash'] ) {
$salt = "abchefghjkmnpqrstuvwxyz0123456789";
$hash = '';
srand( ( double ) microtime() * 1000000 );
for($i = 0;$i <9;$i ++) {
$hash .= $salt{rand( 0,33 )};
}
$hash = md5( $hash );
set_cookie( "dle_hash",$hash,365 );
$_COOKIE['ftr_hash'] = $hash;
$member_id['hash'] = $hash;
$db->query( "UPDATE ".USERPREFIX ."_users set hash='".$hash ."', lastdate='{$time_now}', logged_ip='".$_IP ."' WHERE user_id='{$member_id['user_id']}'");
}else
$db->query( "UPDATE ".USERPREFIX ."_users set lastdate='{$time_now}', logged_ip='".$_IP ."' WHERE user_id='{$member_id['user_id']}'");
}
if( $is_loged_in and $config['log_hash'] and (($_COOKIE['ftr_hash'] != $member_id['hash']) or ($member_id['hash'] == "")) ) {
$is_loged_in = FALSE;
}
if( $is_loged_in and $config['ip_control'] == '1'and !check_netz( $member_id['logged_ip'],$_IP ) and $_REQUEST['subaction'] != 'dologin') $is_loged_in = FALSE;
if( !$is_loged_in ) {
// Четвёртая вставка
if($res = $db->get_row($db->query('SELECT `unban` FROM `hsm_antibrut` WHERE `ip`="' . $_SERVER['REMOTE_ADDR'] . '"')) )
    {
    $unban = $res['unban'];
    $day = (int)date("d");
    if($day<$unban && $unban!=0) {
    die ("<center><H3>Доступ к Админ-Панели <b>заблокирован.</b></H3><br /><b>Причина:</b> <font color=red>для твоего IP-адреса (<b>".$_SERVER['REMOTE_ADDR']."</b>) исчерпан лимит  попыток   авторизации. Ты заблокирован на одни сутки.<br></font><u><font color=green><br>Либо, как вариант, обратись к Администратору для разблокировки :)</font></u><br></center>");
    }
    }else{
// Конец
$member_id = array();
set_cookie( "dle_user_id","",0 );
set_cookie( "dle_name","",0 );
set_cookie( "dle_password","",0 );
set_cookie( "dle_hash","",0 );
set_cookie( "dle_compl","",0 );
$_SESSION['ftr_user_id'] = 0;
$_SESSION['ftr_password'] = "";
$_SESSION['check_log'] = 0;
/* Заменил для АнтиБрут - if( $config['extra_login'] ) auth();
} - на*/
if( $config['extra_login'] ) auth();
}}
// Конец
if ( $is_loged_in ) define( 'LOGGED_IN',$is_loged_in );
?>