problems after trying to update plesk

[MWende]

Hi@all,

i try to update plesk 8.01 to 8.1.1 ang now i have the problem
that qmail delivers no mail to any users on the server.

qmail take the message and return it to the sender...

Hi. This is the qmail-send program at s1.ispsol.de.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<marcow@XXXX>:

can anyone help me ?????