[plt-scheme] Fwd: Mail delivery failed: returning message to sender

Sorry for the public mail on this but "schemer" has a mail problem:

Begin forwarded message:

> From: Mail Delivery System <Mailer-Daemon at ccs.neu.edu>
> Date: April 1, 2004 8:57:54 AM EST
> To: matthias at ccs.neu.edu
> Subject: Mail delivery failed: returning message to sender
>
> This message was created automatically by mail delivery software.
>
> A message that you sent could not be delivered to one or more of its
> recipients. This is a permanent error. The following address(es) 
> failed:
>
>   schemer at avl.com.cn
>     It appears that the DNS operator for avl.com.cn
> has installed an invalid MX record with an IP address
> instead of a domain name on the right hand side.

-- Matthias