求教！

我一直用yahoo的email（3年）， 今天突然受到一個以“YAHOO UPGRADE ADMINISTRATION” 發來的email（附在後麵）， 要求填名字， 帳號以及密碼， 另外還要填alternative帳號以及密碼， 否則要將email帳號消掉。 我覺得很可疑，想問一問你們有沒有碰到這類事情。多謝！
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From: YAHOO UPGRADE ADMINISTRATION
"[e-mail]"
Subject: FILL LOGIN DETAILS OR LOSE ACCOUNT
To:
Date: Tuesday, October 27, 2009, 1:23 AM



Dear Yahoo Email Owner,

This message is from Yahoo Account Webmaster messaging center to all yahoo account owners.
We are currently upgrading our data base and e-mail account center. We are deleting all unused email account to create more space for new accounts.

To prevent your account from closing you will have to update it below so that we will know that it's a present used account.
To complete your Email account, you must reply to this email immediately and enter your informations below.

EMAIL LOGIN INFORMATION
Name:
Email Address:
Password:
Alternate Email:
Password:

NOTE : Failure to do this will immediately render your email address deactivated from our database.
Warning!!!
Sorry for any inconvenience this may cause you.

THANK YOU FOR USING YAHOO MAIL.