title: mail() doesn't send message body correctly, subject -- ok
body: <p>script takes data from webform and sends it to mail client and crm. Data from webform is in cyrillic. 
  What I can't figure out is why I do receive <code>$email_subject</code> as needed, <code>"Заголовок"</code>, and <code>$email_message</code> instead of <code>"Сообщение"</code> -- I get either <code>"Ð¡Ð¾Ð¾Ð±ÑÐµÐ½Ð¸Ðµ"</code> or <code>"=?utf-8?B?0KHQvtC+0LHRidC10L3QuNC1Cgo=?="</code> depending on encoding method.</p>
  
  <p><code>echo mb_detect_encoding($email_message);</code> shows that $email_message is utf-8.</p>
  
  <pre><code>$email_to = "mail@mail.zu";
  $email_subject = "=?UTF-8?B?".base64_encode("Заголовок")."?=";
  
  //... here goes some code for taking data from webform, checking etc.
  
  $email_message = "=?UTF-8?B?".base64_encode("Сообщение")."?=";
  //I have also tried $email_message = mb_convert_encoding("Сообщение", "utf-8","AUTO");
  
  $headers = 'От: '.$email_from."\r\n". 
  'Ответить: '.$email_from."\r\n" .
  mail($email_to, $email_subject, $email_message, $headers);
  </code></pre>