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mail Delivery subsytem

Recently I have receiving this message for the past week. I don't remember sending e-mails to the web sites. I got about 6 of them stating mail delivery subsytem cannot send because of error. Does anybody out
there could help me on this?

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Incorrect email addresses are the usual cause

In reply to: mail Delivery subsytem

of this problem.
When the email arrives at the other end, at the email addressees ISP, the email server will attempt to find a mailbox identical to the address.
If it finds one, it delivers the email.
However, if it does not find one or there is an error in the address portion of the email, it will stop delivery and send an email to the originator of the email, in this case, you.

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I don'e know any of the sender's

In reply to: Incorrect email addresses are the usual cause

These inccorrect adressess I never contacted. This is strange. Is there anyway to stop these messages, They come back up everytime I open new mail.

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That probably means

In reply to: I don'e know any of the sender's

That probably means your email account has been compromised and someone is using it to send out spam. A good start to fixing this is to change the password. It still doesn't stop someone from just putting your address as the reply-to address, but it will potentially stop your ISP from closing down your account for sending out spam.

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