Bounced back emails I have never sent!

I am receiving at least 50 emails everyday from: 
Mail Delivery System <[email protected]>
Mail delivery failed: returning message to sender
However, I NEVER sent eamils to the email addresses that they are bounce back from!!!  What can I do to stop this?

Jo-Jo ,
This sounds like your email account has been compromised, someone has used it to send spam emails out, and you are receiving those back.
ASAP change you password for the email account to something different, difficult to guess. Change the Secret Questions and Answers for your account security profile. Run virus/spyware/malware scan on your machines.
Once this is done and your email account is secure, you will probably still continue to receive those delivery failed messages for few days until its all filtered out from the spam messages that were sent from your account.
Hope this helps, if you have any other Questions or Concerns, please let us know.
~STA

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