Problems delivering a message

Is anyone else on this list receiving these "problem delivering a
message" message?

"Your message could not be delivered to some or all of its recipients.
The problem is:  "Address not found in table or nameserver"
If you have problems locating your addressee, try using Finger
to the host (at)www4.huji.ac.il with the name of the user you are looking
for".

This is about the 4th one that I have received, and it usually comes in
right after the message it is referring to shows up on the list. I am
not sure if it's just the graphics list or other hwg lists I belong to.

--
Cindy K. Stanley

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