My email address has been hijacked!

It happened to me too. It's really easy to hijack your email. Just need DOB and Zip Code. I wrote asking them to strip password recovery. I got a completely worthless reply from their customer care:

Hello,

Thank you for contacting Yahoo! Customer Care.

I appreciate the opportunity to address your report regarding Account
Security. My goal is to provide you the best service possible,
especially when it comes to safeguarding your account. I've sent you
this auto-generated response as confirmation that my team has received
your report and also to provide you with information dealing with the
most common Account Security questions.

INVALID PASSWORD:
If you are unable to login to your Yahoo! account due to an invalid
password error please visit:

http://help.yahoo.com/l/us/yahoo/edit...

CHANGE YOUR PASSWORD:
If the above information did not assist you, please attempt to request a
new password. Remember that our team may not reset your password or
remind you of your current password.

To change your password:

1. Sign in to your Yahoo! account using your current password by
signing in on any of Yahoo!'s personalized services (such as My Yahoo!,
Yahoo! Mail, etc.)

2. At the top of the page, click on either your user name or name that
appears in bold or the "My Account" link

3. Re-enter your current password to continue

4. Click on the "Change Password" link in your Account Information page

5. In the space next to "Current Password," enter your current password
or the new one we issued to you

6. In the space next to "New Password," enter a new password of your
choice. Passwords are case-sensitive (meaning that PASSWORD, PaSsWoRd
and password are not equivalent), so be sure to take this into account
when entering your new password.
It is recommended your new password not contain any part of your old
one, for security reasons.

7. In the space next to "Confirm New Password," confirm your new
password by typing it again

8. Click the "Save" button to put your new password into effect

STILL HAVING TROUBLE?

If you have followed the directions above, and are still unable to
obtain a new password for your account or feel that your account may
have been compromised, please reply to this email with the following
information you supplied during your Yahoo! registration.

Please know that we do have access to original account information and
that we will be unable to provide login or other assistance without
completely verifying your account.

* Yahoo! ID (If you cannot supply this ID, please give your alternate
email address given during your original registration)

* Your name

* Date of birth (mm-dd-yr)

* Your alternate email address

* Secret Question and Answer

* Your city and state

* Zip Code or Postal code you entered during registration

* Your country

PROTECTING THE PRIVACY AND SECURITY OF YOUR ACCOUNT:

http://security.yahoo.com/

COMPUTER VIRUSES:

http://security.yahoo.com/malware.html

GENERAL ACCOUNT SECURITY ISSUES:

http://help.yahoo.com/l/us/yahoo/secu...

SPOOF INFORMATION:

If you received an email impersonating Yahoo! and would like to report
it please visit http://help.yahoo.com/l/us/yahoo/mail....
If you have already been tricked into giving your password, please visit
http://help.yahoo.com/l/us/yahoo/secu... and supply as
much detail as possible.

For more information visit:

http://security.yahoo.com/password_sc...

I understand this email contains a wealth of information. It is my hope
that this email has been of great assistance to you. If you have found
that your Account Security issue was not addressed within this message
or if you are trying to reach another area of Yahoo! support, please
reply to this email and include a brief description of the problem you
are encountering. I am happy to assist you in any way I can or send your
email to the appropriate support area.

Thank you again for contacting Yahoo! Account Services.

Regards,

Yahoo! Account Services Customer Care

For assistance with all Yahoo! services, please visit:

http://help.yahoo.com/

New and Improved Yahoo! Mail - better than ever!

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Good luck with your situation. :(