[www-email-discuss] <none>

When sending message to :  www4mail@wm.ictp.trieste.it
received:
    **********************************************
    **      THIS IS A WARNING MESSAGE ONLY      **
    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **
    **********************************************

The original message was received at Tue, 30 Nov 1999 13:12:17 +0300 (MSK)
from uucp@localhost

   ----- The following addresses had transient non-fatal errors -----
www4mail@wm.ictp.trieste.it

   ----- Transcript of session follows -----
www4mail@wm.ictp.trieste.it... Deferred: Connection refused by wm.ictp.trieste.it.
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old


Does it mean, that this address is unavailable ?
rsu@prima.elektra.ru