Mail System Error - Returned Mail

The message was undeliverable due to the following reason(s):

Your message was not delivered because the destination computer was
unreachable within the allowed queue period. The amount of time
a message is queued before it is returned depends on local configura-
tion parameters.

Most likely there is a network problem that prevented delivery, but
it is also possible that the computer is turned off, or does not
have a mail system running right now.

Your message was not delivered within 4 days:
Server 134.155.36.52 is not responding.

The following recipients did not receive this message:
[email protected]

Please reply to [email protected]
if you feel this message to be in error.