[Exim] Do you understand this bounce?

I'm going through rejectlog, and I can't understand this entry:

2000-12-15 16:40:38 1475Ow-0003ME-00 rejected from (mailweb13.rediffmail.com) [203.199.83.21] <revolution909@???>: syntax error in 'To' header: malformed address: <dev-cpp-users-request@??? may not follow dev-cpp-users-request@??? : failing address is: dev-cpp-users-request@??? <dev-cpp-users-request@???>
Recipients: dev-cpp-users-request@???
P Received: from [203.199.83.21] (helo=mailweb13.rediffmail.com)
    by usw-sf-list1.sourceforge.net with smtp (Exim 3.16 #1 (Debian))
    id 1475Ow-0003ME-00
    for <dev-cpp-users-request@???>; Fri, 15 Dec 2000 16:40:38 -0800
P Received: (qmail 18062 invoked by uid 510); 16 Dec 2000 00:34:15 -0000
  Date: 16 Dec 2000 00:34:15 -0000
I Message-ID: <20001216003415.18061.qmail@???>
  MIME-Version: 1.0
T To: dev-cpp-users-request@??? <dev-cpp-users-request@???>
  Subject:  Re: Dev-cpp-users -- confirmation of subscription -- request 172433
F From: "jason  fernandes" <revolution909@???>
  Content-ID: <Sat_Dec_16_06_04_15_IST_2000_0@???>
  Content-type:  text/plain
  Content-Description:  Body
  Content-Transfer-Encoding:  7bit

Thanks,
Marc
-- 
Microsoft is to operating systems & security ....
                                      .... what McDonalds is to gourmet cooking

Home page: http://marc.merlins.org/ | Finger marc_f@??? for PGP key