1 files changed, 6 insertions, 7 deletions

diff --git a/doc/smtp.html b/doc/smtp.html
index 980b821..2ef673a 100644
--- a/doc/smtp.html
+++ b/doc/smtp.html
@@ -48,14 +48,13 @@ control (if you bother to read the code).
 </p>
 
 <p>The implementation conforms to the Simple Mail Transfer Protocol,
-<a href="http://www.cs.princeton.edu/~diego/rfc/rfc2821.txt">RFC 2821</a>.
+<a href="http://www.ietf.org/rfc/rfc2821.txt">RFC 2821</a>.
 Another RFC of interest is <a
-href="http://www.cs.princeton.edu/~diego/rfc/rfc2822.txt">RFC 2822</a>,
+href="http://www.ietf.org/rfc/rfc2822.txt">RFC 2822</a>,
 which governs the Internet Message Format.
 Multipart messages (those that contain attachments) are part
 of the MIME standard, but described mainly
-in <a href="http://www.cs.princeton.edu/~diego/rfc/rfc2046.txt">RFC
-2046</a>
+in <a href="http://www.ietf.org/rfc/rfc2046.txt">RFC 2046</a>
 
 <p> In the description below, good understanding of <a
 href="http://lua-users.org/wiki/FiltersSourcesAndSinks"> LTN012, Filters
@@ -196,7 +195,7 @@ part of the message and will not be sent to anyone.
 </p>
 
 <p class=note>
-<a href="http://www.cs.princeton.edu/~diego/rfc/rfc2822.txt">RFC 2822</a>
+<a href="http://www.ietf.org/rfc/rfc2822.txt">RFC 2822</a>
 has two <em>important and short</em> sections, "3.6.3. Destination address
 fields" and "5. Security considerations",  explaining the proper
 use of these headers. Here is a summary of what it says: 
@@ -236,9 +235,9 @@ exactly what you <em>don't</em> want to happen!
 
 <p class=note>
 I hope this clarifies the issue. Otherwise, please refer to 
-<a href="http://www.cs.princeton.edu/~diego/rfc/rfc2821.txt">RFC 2821</a>
+<a href="http://www.ietf.org/rfc/rfc2821.txt">RFC 2821</a>
 and
-<a href="http://www.cs.princeton.edu/~diego/rfc/rfc2822.txt">RFC 2822</a>.
+<a href="http://www.ietf.org/rfc/rfc2822.txt">RFC 2822</a>.
 </p>
 
 <pre class=example>