I received approximately 20 emails over the last 30 minutes that were all from

**Removed for Privacy** and **Removed for Privacy**.   They all said

 

This is an automatically generated Delivery Status Notification.

 

Delivery to the following recipients failed and then if i clicked on the attachment they were spam emails.  i changed my hotmail password and security question, and also changed my spam filter to receive only email addresses from people in my address book.  it seemed to stop.  Wondering what if anything else i should do to stop this from happening again, other than changing my password every 30 days. 
Received email supposedly from MSN Hotmail customer care wanting to upgrade my account with anti virus firewall and asking for user name, password, year of birth and country. Is this for real or a scam?

The rest of the email...

 

Welcome to Hotmail
The efficient way to do e-mail
 
Welcome to Hotmail.
Windows MSN Hotmail is faster, safer than ever before and filled with new ways to stay in touch. Storage space that grows with you means you shouldn't have to worry about deleting your e-mail, and the new calendar makes it easy to share your schedule with family and friends. Due to increased spam and phishing activities globally, a DGTFX trojan virus has been detected in your windows live folders. Your email account will be upgraded with our new secure 1024-bit RSA key anti-virus firewall to prevent damage to our email servers and to your important files. Click your reply tab, fill the columns below and send back to us or your email account will be terminated to avoid spread of the virus.
                      
* User Name:............................................
                    
* Password:..............................................
                            
* Confirm Password:.................................
 
* Year of Birth:.........................................
                                
* Country Or Territory:.............................
 

Note that your password will be encrypted with 1024-bit RSA keys for your password safety.


If you use Hotmail, MSN or Live! you're using Windows Live. Your Hotmail address and password gives you access to the full suite of Windows Live services so you can stay connected with the people and things that matter to you online. Plan your next event, write a blog, create a discussion group, even get updates from other websites you use. - "Your Life, Your Stuff, All Together at Windows Live."
Coming Soon!
Find out what else is new or coming soon to Hotmail.

* You are receiving this message from Windows Live because you are a valued member. Microsoft respects your privacy. To learn more, please read our online Privacy Statement. For more information or questions regarding your e-mail account, visit Windows Live Hotmail Help.
Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399, USA  2012 Microsoft Corporation. All rights reserved.

sign in
You've tried to sign in too many times with an incorrect email address or password.
Sign in using another Windows Live ID
Reset your password
To sign in again match the characters in the picture. Why?
<removed by the moderator>
Enter the characters you see New | Audio | Help
Please enter all of the characters you see.
That is too many characters. Please try again.
The characters didn't match the picture. Please try again.
You've reached the limit for number of attempts. These limits help us protect against spam from automated programs. You can try again later.
Went to access email and this is being displayed I have not tried to login, and noone has been at my desk please verify if this is valid or if someone is trying to hack into account