Просмотр поста

$sql = mysql_query('SELECT `name`,`mail` FROM `users` WHERE `id` !='. $user_id);

if ($sql) {
    $emails = array();
    while ($row = mysql_fetch_assoc($sql)) {
        if ($row['mail'] == '') continue;
        $emails[] = 'Логин: '. $row['name'] .' E-mail: '. $row['mail'];
    }
}

echo implode('<br />', $emails);