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Megalapozott Döntés > Anti Spam
Küzdelem a SPAM ellen
A spammelők úgy küldenek milliószámra kéretlen leveleket, hogy az interneten megtalálható e-mail címeket begyűjtik egy WWW robot segítségével. Akkor rajta, szivassuk meg jól ezeket a spammereket!
A linkek hálózatán weblapról weblapra jár a spam robot, és keresi az e-mail címeket. A megtalált e-mail cím bekerül egy adatbázisba, és már özönlik is rá a levélszemét.
Az e-mail cím gyűjtő robotok a linkek hálózatán keresztül eljutnak erre a lapra is, ahol dinamikusan generált hamis e-mail címeket találnak. A lista minden alkalommal újragenerálódik, így eszméletlen mennyiségű rossz adat kerül a spammer adatbázisba.
A linkek hálózatán minél több irányból érkeznek erre a lapra a spamrobotok (azaz, minél több link mutat erre az oldalra), annál több hamis e-mailt fognak elfogyasztani az itt található 2345 millió kitalált e-mail címből.
Próbálja ki! Nyomja meg párszor az F5 vagy a frissítés gombot. Rögtön látja, ahogy pörögnek a hamis e-mail címek.
Ha támogatni akarja a küzdelmet, helyezzen el weboldalán egy hivatkozást erre a lapra:
<a href="http://www.megalapozott-dontes.hu/anti-spam.html">Küzdelem a SPAM ellen</a>
Hogyan védje meg az e-mail címét a spamrobotok ellen?
Az e-mail cím levédésének legegyszerűbb módja az, hogy JavaScript-tel iratjuk ki az e-mail címet. A mikéntjére millió lehetőség adódik, aminek csak a fantázia szab határt.
Itt az egyik legegyszerűbb, leggyakrabban használt, robotok ellen 100%-os biztonságot nyújtó elven alapuló JavaScript kód:
<script type="text/javascript">
function mw(cimzett,hoszt) {
var t1='a';
var t2='hr';
var t3='ef';
var t4='ma';
var t5='ilto';
var i=Math.round(193/3);
var s=String
var v1=eval('s.fromCh'+t1+'rCode(i)')
document.write('<'+t1+' '+t2 +t3+'="'+t4+t5+':'+cimzett+v1+hoszt +'">'+cimzett+v1+hoszt+'<'+'/' +t1+'>')
}
</script>
Használata:
Küldj levelet ide: <script> mw('kovacspista','freemail.hu') </script>
Így fog kinézni:
Tegyük használhatatlanná a spammer adatbázist
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