I have recently installed Listserv 1.8d and LSMTP.  I have a MS Exchange
5.5 server on my network.  When I try to send a test message to my listserv
server I get the following error:

Your message did not reach some or all of the intended recipients.

      Subject: help
      Sent: 11/28/2001 4:06 PM

The following recipient(s) could not be reached:

      [log in to unmask] on 11/28/2001 4:06 PM
            The recipient name is not recognized
 The MTS-ID of the original message is: c=US;a= ;p=MTPC;l=MAIL1-
011128210556Z-13414
            MSEXCH:IMS:MTPC:WBRO:MAIL1 3551 (000B09AA) 551 Message relaying
to this domain disabled