View file magmail/mtest.php

<?

function encode_koi($string) 
{ 
 $encode = base64_encode($string); 
 $text = "=?dkoi8-r?B?"; 
 $text = $text.$encode."?="; 
 return $text; 
} 
  $subject = encode_koi("рТПЧЕТПЮЛБ-1");
  $res=Mail("[email protected]",$subject, "test-1");
  echo "OK";
?>