Returned mail: Data format error

[Mail Delivery Subsystem]

The message was not delivered due to the following reason:

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 8 days:
Server 125.20.80.20 is not responding.

The following recipients did not receive this message:
<pmmail at bawue.de>

Please reply to postmaster at bawue.de
if you feel this message to be in error.

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