hm, versuch ma so:
<?php
function no_spam($mail) {
$str = "";
$a = unpack("C*", $mail);
foreach ($a as $b) {
$str .= sprintf("%%%X", $b);
}
$link = str_replace(array("@",".",array( " [ät] "," [punkt] ", $mail);
return "$link";
}
#################################################
header("Content-type: image/png"
$text = no_spam(''GET_['mail']'';
$im = imagecreatetruecolor(70,30);
$bg_color = ImageColorAllocate($im, 0, 0, 0);
$font_color = ImageColorAllocate($im, 255, 255, 255);
imagestring ($im, 5, 5, 7, $text, $font_color);
imagepng($im);
?>
dateiname.php?mail=
web@statt.de