Can you really reply to Microsoft Online Support Service?

Hi all:

A few days ago I requested support from Microsoft Online Support
Service. Shortly I got a reply from a real human being, I think,
suggesting a fix to my problem. A couple of days later there was a
follow-up from Microsoft Online Support Service (same person)
wondering if the fix had worked. I replied that I'd try the fix this
weekend. By all accounts (i.e., no error message returned) my reply
was received by Microsoft Online Support Service.

This weekend I tried the fix, and it didn't work. I replied again to
the second email from Microsoft Online Support Service and said as
much, explaining what happened. *This* reply just will not go
through, even though I've tried several times. I get an error message
as follows:

Delivery Status Notification (Failure)

This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

(mugged name)@mssupport.microsoft.com

There's a dat file attached to the "bounce" message that reads:

Reporting-MTA: dns;ws-msmail-02.wicresoft.com
Received-From-MTA: dns;ws-zzmail-01.wicresoft.com
Arrival-Date: Sun, 13 Apr 2008 07:21:58 +0800

Original-Recipient: rfc822;(mugged name)@mssupport.microsoft.com
Final-Recipient: rfc822;(mugged name)@mssupport.microsoft.com
Action: failed
Status: 5.2.2
X-Display-Name: Bill Yuan (MS)



Does Microsoft Online Support Service not work on weekends and shut
down their email, or something? I'd like to tell this person what
happened with the "fix" but seem to be unable to.

Any ideas?

TIA

Tom Young