Returned mail: see transcript for details

["Bounced mail" <MAILER-DAEMON@cafax.se>]

Your message was not delivered due to the following reason(s):

Your message could not be delivered because the destination server was
not reachable 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 2 days:
Host 87.81.40.62 is not responding.

The following recipients did not receive this message:
<ietf-provreg-logger@cafax.se>

Please reply to postmaster@cafax.se
if you feel this message to be in error.

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