diff -ruN Spam-Filtering-for-MX-v0.15/chapter-background.xml Spam-Filtering-for-MX-v0.16/chapter-background.xml
--- Spam-Filtering-for-MX-v0.15/chapter-background.xml	2004-08-02 11:32:13.000000000 -0700
+++ Spam-Filtering-for-MX-v0.16/chapter-background.xml	2004-08-13 14:54:14.000000000 -0700
@@ -396,7 +396,8 @@
       SMTP is the protocol that is used for mail delivery on the
       Internet.  For a detailed description of the protocol, please
       refer to <ulink url="http://www.ietf.org/rfc/rfc2821.txt">RFC
-      2821</ulink>.
+      2821</ulink>, as well as Dave Crocker's introduction to
+      <ulink url="http://www.brandenburg.com/specifications/draft-crocker-mail-arch-00.htm">Internet Mail Architecture</ulink>.
     </para>
 
     <para>
diff -ruN Spam-Filtering-for-MX-v0.15/chapter-techniques.xml Spam-Filtering-for-MX-v0.16/chapter-techniques.xml
--- Spam-Filtering-for-MX-v0.15/chapter-techniques.xml	2004-08-04 11:41:56.000000000 -0700
+++ Spam-Filtering-for-MX-v0.16/chapter-techniques.xml	2004-08-13 14:40:09.000000000 -0700
@@ -909,8 +909,7 @@
 	  </para>
 
 	  <para>
-	    Alas, among the major MTAs, I believe that only Exim
-	    supports this mechanism.
+	    Among major MTAs, Exim and Postfix support this mechanism.
 	  </para>
 	</section>
 
diff -ruN Spam-Filtering-for-MX-v0.15/Spam-Filtering-for-MX.xml Spam-Filtering-for-MX-v0.16/Spam-Filtering-for-MX.xml
--- Spam-Filtering-for-MX-v0.15/Spam-Filtering-for-MX.xml	2004-08-04 11:44:46.000000000 -0700
+++ Spam-Filtering-for-MX-v0.16/Spam-Filtering-for-MX.xml	2004-08-13 15:01:52.000000000 -0700
@@ -50,7 +50,7 @@
       </editor>
     </authorgroup>
 
-    <edition>Version 0.15 -- Final technical review</edition>
+    <edition>Version 0.16 -- Final technical review</edition>
 
     <keywordset>
       <keyword>anti-spam</keyword>
@@ -132,6 +132,15 @@
       <para>
 	<revhistory>
 	  <revision>
+	    <revnumber>0.16</revnumber>
+	    <date>2004-08-13</date>
+	    <authorinitials>TS</authorinitials>
+	    <revremark>
+	      Incorporated third round of changes from Devdas Bhagat.
+	    </revremark>
+	  </revision>
+
+	  <revision>
 	    <revnumber>0.15</revnumber>
 	    <date>2004-08-04</date>
 	    <authorinitials>TS</authorinitials>