{Virus?} Returned mail: see transcript for details

Warning: This message has had one or more attachments removed.
Warning: Please read the "VirusWarning.txt" attachment(s) for more information.

This message was undeliverable 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 could not be delivered within 6 days:
Host 139.231.25.50 is not responding.

The following recipients did not receive this message:
<public-ietf-w3c@w3.org>

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