The certificate for www.cie.unam.mx will expire today

Received: (from root@localhost) by mazatl.cie.unam.mx
 (8.13.1/8.13.1/Submit) id q1OAOn4m012523; Fri, 24 Feb 2012 04:24:49 -0600
Date: Fri, 24 Feb 2012 04:24:49 -0600
From: root 
Message-Id: <201202241024.q1OAOn4m012523@mazatl.cie.unam.mx>
To: root@mazatl.cie.unam.mx
Subject: The certificate for www.cie.unam.mx will expire today

 ################# SSL Certificate Warning ################

  Certificate for hostname 'www.cie.unam.mx', in file:
     /etc/httpd/conf/ssl/www.cie.unam.mx.crt

  The certificate needs to be renewed; this can be done
  using the 'genkey' program.

  Browsers will not be able to correctly connect to this
  web site using SSL until the certificate is renewed.

 ##########################################################
                                  Generated by certwatch(1)