アメリカンエクスプレスからメールが

アメリカンエクスプレスカードからこんなメールが届いた。

Reference Number: 2008xxxxxxxxxxxx

Dear American Express Card holder:

As part of the new security measures, all American Express Card holders are required to complete American Express Customer Form. Please complete the form as soon as possible.

To access the form please click on the following link:

http://www.americanexpress.com/xxxxxxxxxxx

Thank you for using your American Express Card.

Sincerely,
American Express Customer Service

発信者もAmericanExpress@email2.americanexpress.comって正しそうだし、アクセスすべきか、無視するべきか...