Fixing broken links in doc, part 3: the rest
diff --git a/Doc/library/mailbox.rst b/Doc/library/mailbox.rst
index 94fde14..3154aa4 100644
--- a/Doc/library/mailbox.rst
+++ b/Doc/library/mailbox.rst
@@ -474,7 +474,7 @@
`Configuring Netscape Mail on Unix: Why The Content-Length Format is Bad <http://www.jwz.org/doc/content-length.html>`_
An argument for using the original mbox format rather than a variation.
- `"mbox" is a family of several mutually incompatible mailbox formats <http://homepages.tesco.net./~J.deBoynePollard/FGA/mail-mbox-formats.html>`_
+ `"mbox" is a family of several mutually incompatible mailbox formats <http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html>`_
A history of mbox variations.