[ZF-7008] Method setReturnPath() not working

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@19450 44c647ce-9c0f-0410-b52a-842ac1e357ba

documentation/manual/en/module_specs/Zend_Mail-AdditionalHeaders.xml

@@ -13,11 +13,6 @@
             </listitem>
             <listitem>
                 <para>
-                    <methodname>setReturnPath($email)</methodname>: sets the Return-Path: header.
-                </para>
-            </listitem>
-            <listitem>
-                <para>
                     <methodname>setDate($date = null)</methodname>: sets the Date: header.
                     This method uses current time stamp by default. Or You can pass time stamp,
                     date string or <classname>Zend_Date</classname> instance to this method.
@@ -28,21 +23,18 @@
                     <methodname>setMessageId($id = true)</methodname>: sets the Message-Id: header.
                     This method can generate message ID automatically by default. Or You can pass
                     your message ID string to this method.
-                </para>
-            </listitem>
-            <listitem>
-                <para>
-                    <methodname>createMessageId()</methodname>: is generator of the message ID.
-                    The <methodname>setMessageId()</methodname> method call this method internally.
-                    You can use this method for your own purpose.
+                    This method call <methodname>createMessageId()</methodname> internally.
                 </para>
             </listitem>
         </itemizedlist>
     </para>
     <note>
-        <title>Operation corresponding to the Return-Path: header</title>
+        <title>Return-Path</title>
         <para>
-            Operation has not yet implemented in <classname>Zend_Mail</classname>.
+            If you set Return-Path on your mail, see <link linkend="zend.mail.introduction.sendmail"
+                >Configuring sendmail transport</link>.
+            Unfortunately, <methodname>setReturnPath($email)</methodname> method does not perform
+            this purpose.
         </para>
     </note>