trivial: link updates in documentation (#2765)
diff --git a/Doc/library/mailbox.rst b/Doc/library/mailbox.rst
index 81244c2..48d76a8 100644
--- a/Doc/library/mailbox.rst
+++ b/Doc/library/mailbox.rst
@@ -491,7 +491,7 @@
`Configuring Netscape Mail on Unix: Why The Content-Length Format is Bad <https://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://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html>`_
+ `"mbox" is a family of several mutually incompatible mailbox formats <https://www.loc.gov/preservation/digital/formats/fdd/fdd000383.shtml>`_
A history of mbox variations.
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 6122af1..b40d958 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -1374,7 +1374,7 @@
The *capath* string, if present, is
the path to a directory containing several CA certificates in PEM format,
following an `OpenSSL specific layout
- <https://www.openssl.org/docs/ssl/SSL_CTX_load_verify_locations.html>`_.
+ <https://www.openssl.org/docs/man1.1.0/ssl/SSL_CTX_load_verify_locations.html>`_.
The *cadata* object, if present, is either an ASCII string of one or more
PEM-encoded certificates or a :term:`bytes-like object` of DER-encoded
@@ -1664,7 +1664,7 @@
Get statistics about the SSL sessions created or managed by this context.
A dictionary is returned which maps the names of each `piece of information
- <https://www.openssl.org/docs/ssl/SSL_CTX_sess_number.html>`_ to their
+ <https://www.openssl.org/docs/man1.1.0/ssl/SSL_CTX_sess_number.html>`_ to their
numeric values. For example, here is the total number of hits and misses
in the session cache since the context was created::