Is the subscription mechanism to this mailing list broken ?

Two messages saying "subscribe [log in to unmask]" sent to
[log in to unmask] have produced only the following
response:

>Date: Fri, 15 Aug 2003 14:27:24 -0400
>From: "L-Soft list server at ACM (1.8d)" <[log in to unmask]>
>Subject: Re: Subscription Request for Team-Ada
>
> > subscribe [log in to unmask]
>Your request is being forwarded to [log in to unmask]
>
>Summary of resource utilization
>-------------------------------
> CPU time:        0.000 sec                Device I/O:        0
> Overhead CPU:    0.000 sec                Paging I/O:        0
> CPU model:         000B131D4C00

But never any subsequent response.