The following images replace images from MX V4.2.  They may or
  may not work with MX V4.0 and MX V4.1.

        MX_DNSMTP       - Corrects a bug in file name generation.  Not
                          needed if you picked up MX V4.2 after 8-JAN-1996.

        MX_LOCAL        - Corrects a bug with truncating message lines
                          at 255 characters.  Also adds RFC822 "From:"
                          comments as personal name on VMS Mail From:
                          line.

        SMTP_SERVER     - Corrects a bug that can cause the server to die
                          if an incoming message has To: or CC: headers
                          longer than 64K bytes.  Also allows use of EHLO
                          command by clients.

   The VAX .EXEs were linked under VAX/VMS V5.4 and will run on all
   VAX versions V5.4 and higher.

   The Alpha .EXEs were linked under OpenVMS AXP V1.5 and will run on
   all Alpha versions V1.5 and higher.