Claire,
 
> I have tried for days to send a message to the Museum-l list, without
> success.  I have changed my confirguration to
 
> [log in to unmask]@ARIZVM1.ccit.arizona.edu
 
There is your problem, two @ symbols in the address. Try:
 
[log in to unmask]
 
or,
 
[log in to unmask]
 
Hope this helps.
 
--john chadwick
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