E-mail adreslerini toplayan programlardan korunmak

function spamprotect ($mail) { 
    $email=explode("<span class="userTag">@"</span>,$mail); 
    $tammail="[".$email[0]."][<span class="userTag"><span class="userTag">@]</span></span>"; 
    $email=explode(".",$email[1]); 
    while (list($indexno,$deger)=each($email)) { 
        $tammail.="[".$deger."]"; 
    } 
    return $tammail; 
}

echo spamprotect('turker<span class="userTag">@eggdropturk.com');</span>