how do you stop yahoo from sending this email. i keep puting it in the spam folder but it keeps coming back into my inbox, is it possible that yahoo is spaming its users?

this is what the emails says:


Hello [email protected],

We have received your request to join the WebDatingGroups0fm9
group hosted by Yahoo! Groups, a free, easy-to-use community service.

This request will expire in 7 days.

TO BECOME A MEMBER OF THE GROUP:

1) Go to the Yahoo! Groups site by clicking on this link:
http://groups.yahoo.com/i?i=pmgreaiatlbeedsd1sdyer1gjwb2d4dvnasz&e=example%40yahoo%2Ecom

(If clicking doesn't work, "Cut" and "Paste" the line above into your
Web browser's address bar.)

-OR-

2) REPLY to this email by clicking "Reply" and then "Send"
in your email program

If you did not request, or do not want, a membership in the
WebDatingGroups0fm9 group, please accept our apologies
and ignore this message.

Regards,

Yahoo! Groups Customer Care

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/