有这回事吗？

今天早上一上班，就受到了一封邮件，内容如下：
dragonair#163.com has invited you to join the 6sigma??? group with this
message:

1, ?????????6SQ????,????????,???????????,
???????,??????,???????????????????, ????
??????????????,?????? http://www.6sq.net/mail.htm 6Sq.
Net ???? http://www.cn99.com/cgi-bin/ge ... sigma 2, ?
google???6sq.net?????,???????????! 6sigma??? http://
www.6sq.net 6sigma????http://bbs.6sq.net

Here is the group's description:

6sigma???

---------------------- Google Groups Information ----------------------

You can accept this invitation by clicking the following URL:

http://groups.google.com/group ... SC3iD

Access to the group on the web requires a Google Account. If you don't have a
Google Account set up yet, you'll first need to create an account before you
can access the group. You can create an account at:

http://www.google.com/accounts ... sqnet

--------------------- If This Message Is Unwanted ---------------------

If you feel that this message is abuse, please inform the Google Groups staff
by using the URL below.

http://groups.google.com/group ... f0AAA

有这事吗？谁能告诉我？