[PHP] zachowany format odbiorcy maila, Nazwisko, Imie Opcje

[piotrd]

kiedy wysyłam maila do odbiorcy chciałbym zachować format NAZWISKO, IMIE <ADRES@DOMENA.PL>
np

[PHP] pobierz, plaintext 
 <span class="kw3">htmlspecialchars</span><span class="br0">(</span><span class="kw3">strip_tags</span><span class="br0">(</span><span class="kw3">trim</span><span class="br0">(</span><span class="re0">$_POST</span><span class="br0">[</span><span class="st0">'do_email'</span><span class="br0">]</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div><li class="li2"><div class="de2"><span class="re0">$do</span> <span class="sy0">=</span> <span class="st0">"$do_name <$do_email>"</span><span class="sy0">;</span></div><li class="li1"><div class="de1"><span class="kw3">mail</span><span class="br0">(</span><span class="re0">$do</span><span class="sy0">,</span> <span class="re0">$subject</span><span class="sy0">,</span> <span class="re0">$description</span><span class="sy0">,</span> <span class="re0">$naglowki</span><span class="br0">)</span><span class="sy0">;</span></div><li class="li2"><div class="de2"><span class="sy1">?></span></div>
[/list]<div class="foot">[PHP] <a href='./Pobierz-Plik-128724.html_t0'>ags"><span class="kw3">strip_tags</span></a><span class="br0">(</span><span class="kw3">trim</span><span class="br0">(</span><span class="re0">$_POST</span><span class="br0">[</span><span class="st0">'do_name'</span><span class="br0">]</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div><li class="li1"><div class="de1"><span class="re0">$do_email</span> <span class="sy0">=</span> <span class="kw3">htmlspecialchars</span><span class="br0">(</span><span class="kw3">strip_tags</span><span class="br0">(</span><span class="kw3">trim</span><span class="br0">(</span><span class="re0">$_POST</span><span class="br0">[</span><span class="st0">'do_email'</span><span class="br0">]</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div><li class="li2"><div class="de2"><span class="re0">$do</span> <span class="sy0">=</span> <span class="st0">"$do_name <$do_email>"</span><span class="sy0">;</span></div><li class="li1"><div class="de1"><span class="kw3">mail</span><span class="br0">(</span><span class="re0">$do</span><span class="sy0">,</span> <span class="re0">$subject</span><span class="sy0">,</span> <span class="re0">$description</span><span class="sy0">,</span> <span class="re0">$naglowki</span><span class="br0">)</span><span class="sy0">;</span></div><li class="li2"><div class="de2"><span class="sy1">?></span></div>
[/list]<div class="foot">[PHP] <a href='./Pobierz-Plik-128724.html, plaintext </div></pre><!--/Geshi:128724:php-->jednakże funkcja mail traktuje przecinek jako następny adres mailowy i wysyła 2 maile  (IMG:http://forum.php.pl/style_emoticons/default/sciana.gif)  
Czy jest na to rada, użyć np base64? 
[php]
<?php
=?iso-8859-2?B?".base64_encode($do_name)."?=
?>
[PHP] pobierz, plaintext 
?