diff --git a/phpBB/phpbb/message/form.php b/phpBB/phpbb/message/form.php
index 076b41dc07..21d4de0b4d 100644
--- a/phpBB/phpbb/message/form.php
+++ b/phpBB/phpbb/message/form.php
@@ -146,7 +146,7 @@ abstract class form
 				WHERE user_id = ' . $this->user->data['user_id'];
 			$this->db->sql_query($sql);
 
-			if ($this->cc_sender)
+			if ($this->cc_sender && $this->user->data['is_registered'])
 			{
 				$this->message->cc_sender();
 			}
diff --git a/phpBB/styles/prosilver/template/memberlist_email.html b/phpBB/styles/prosilver/template/memberlist_email.html
index 865f0b883c..e848844093 100644
--- a/phpBB/styles/prosilver/template/memberlist_email.html
+++ b/phpBB/styles/prosilver/template/memberlist_email.html
@@ -77,10 +77,12 @@
 			<span>{L_EMAIL_BODY_EXPLAIN}</span></dt>
 			<dd><textarea class="inputbox" name="message" id="message" rows="15" cols="76" tabindex="4">{MESSAGE}</textarea></dd>
 		</dl>
+		<!-- IF S_REGISTERED_USER -->
 		<dl>
 			<dt>&nbsp;</dt>
 			<dd><label for="cc_email"><input type="checkbox" name="cc_email" id="cc_email" value="1" checked="checked" tabindex="5" /> {L_CC_EMAIL}</label></dd>
 		</dl>
+		<!-- ENDIF -->
 		</fieldset>
 	</div>
 
diff --git a/phpBB/styles/subsilver2/template/memberlist_email.html b/phpBB/styles/subsilver2/template/memberlist_email.html
index 13ff4baace..b52513c241 100644
--- a/phpBB/styles/subsilver2/template/memberlist_email.html
+++ b/phpBB/styles/subsilver2/template/memberlist_email.html
@@ -66,6 +66,7 @@
 		<td class="row1" valign="top"><b class="genmed">{L_MESSAGE_BODY}</b><br /><span class="gensmall">{L_EMAIL_BODY_EXPLAIN}</span></td>
 		<td class="row2"><textarea class="post" name="message" rows="15" cols="76" tabindex="3">{MESSAGE}</textarea></td>
 	</tr>
+	<!-- IF S_REGISTERED_USER -->
 	<tr>
 		<td class="row1" valign="top"><span class="gen"><b>{L_OPTIONS}</b></span></td>
 		<td class="row2">
@@ -77,6 +78,7 @@
 			</table>
 		</td>
 	</tr>
+	<!-- ENDIF -->
 	<tr>
 		<td class="cat" colspan="2" align="center"><input type="submit" tabindex="6" name="submit" class="btnmain" value="{L_SEND_EMAIL}" /></td>
 	</tr>