Closes #25910: fix dead and permanently redirected links in the docs. Thanks to SilentGhost for the patch.
diff --git a/Doc/library/email.generator.rst b/Doc/library/email.generator.rst
index 4ea7e6a..8fe70a7 100644
--- a/Doc/library/email.generator.rst
+++ b/Doc/library/email.generator.rst
@@ -37,7 +37,7 @@
followed by a space at the beginning of the line. This is the only guaranteed
portable way to avoid having such lines be mistaken for a Unix mailbox format
envelope header separator (see `WHY THE CONTENT-LENGTH FORMAT IS BAD
- <http://www.jwz.org/doc/content-length.html>`_ for details). *mangle_from_*
+ <https://www.jwz.org/doc/content-length.html>`_ for details). *mangle_from_*
defaults to ``True``, but you might want to set this to ``False`` if you are not
writing Unix mailbox format files.