Just received a strange sounding e-mail from [email protected] (screen shot) with the title Undelivered Message 22-318.
The screen shot looks like this
The problem is that the real link for this mysterious delayed message doesn't lead you to your Twitter account!
Be aware of E-Mails coming from [email protected] - They are not really from Twitter.
In Twitter they talk that if you click through to the Reported Attack Page you might get a visit from malicious software, trojans or a Viagra website will be displayed!
UPDATE: On 29th April 2010 i got a second email from [email protected] - with a slightly different message (You have 3 unread messages) which means you should take care - it's not over yet (the redirected URL changed, too!).