Thanks!

I had to change this line of code to make my mail look OK on the webbrowsers I've tested

$Mail{'content-type'}    = 'text/html; charset="iso-8859-1"'; #Old, no
+t correct 
$Mail{'content-type'}    = 'text/html; charset="utf-8"';
[download]

Thanks all for aiming me to the right direction