RETURNED MAIL: DATA FORMAT ERROR

Your message was undeliverable due to the following reason:

Your message could not be delivered because the destination server 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 could not be delivered within 4 days:
Host 181.89.158.20 is not responding.

The following recipients could not receive this message:
<deal-h_at_lists.village.virginia.edu>

Please reply to postmaster_at_cs.swarthmore.edu
if you feel this message to be in error.