It's in the header of every email you get:
 
......
Reply-To: CentOS mailing list <centos@centos.org>
List-Id: CentOS mailing list <centos.centos.org>
List-Unsubscribe: <http://lists.centos.org/mailman/listinfo/centos>,
 <mailto:centos-request@centos.org?subject=unsubscribe>
List-Archive: <http://lists.centos.org/pipermail/centos>
List-Post: <mailto:centos@centos.org>
List-Help: <mailto:centos-request@centos.org?subject=help>
List-Subscribe: <http://lists.centos.org/mailman/listinfo/centos>,
 <mailto:centos-request@centos.org?subject=subscribe>
Content-Type: multipart/mixed; boundary="===============2065064580=="
Sender: centos-bounces@centos.org
Errors-To: centos-bounces@centos.org
X-DDC-wcmc7-MailScanner-Information: Please contact Dealer.com Support for more information
X-DDC-wcmc7-MailScanner: Found to be clean
X-DDC-MailScanner-From: centos-bounces@centos.org
X-Spam-Status: No
 
 
 

From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of scaglietti amore
Sent: Monday, March 03, 2008 10:49 AM
To: CentOS mailing list
Subject: [CentOS] how to unsubscribe

 
 
hello guys
 
sorry for this but my e-mail is getting to much e-mails that i couldnt even have time to read my personal 1's
 
so im just askin how to unsubscribe from this list.
 
thanx for every thing

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