I've been receiving messages like this all weekend, Monday,
and now today.
 
E-mail to POSTMASTER has gone unaswered.
 
  - - The original note follows - -
 
From: [log in to unmask]
To: [log in to unmask]
Date: Tue, 28 May 1996 14:13:41 -0500
Subject: WARNING: message delayed at "nd.edu"
 
Your message to,
[log in to unmask]
        Subject: Zone Maintena...
has not yet been delivered to the addressee due to a message transmission
failure.
 
Your message is queued for processing on nd.edu and delivery attempts will
continue. No action on your part is required. If the message cannot be
delivered in the next 66 hours, it will be returned to you.
 
Delays such as the one you are experiencing can be caused by hosts being
down, SMTP servers/gateways being  down temporarily or permanently, network
outages, or other difficulties, either locally or at the remote site or
inbetween.
 
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