With ancient address I received this error message:
The original message was received at Fri, 22 Mar 2002 05:23:07 -0500 (EST)
from ppp-42-64.que.aei.ca [216.221.42.64]
----- The following addresses had permanent fatal errors -----
<tuning@groups.yahoo.com>
----- Transcript of session follows -----
<tuning@groups.yahoo.com>... Deferred: Operation timed out with groups1.vip.scd.yahoo.com.
Message could not be delivered for 2 days
Message will be deleted from queue
Testing now the address mailto:tuning@yahoogroups.com
Pierre