Delivery Status Notification (Failure)

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I am guessing that this is another phishing and/or malware attempt.

I keep getting eMail messages from "postmaster@..." that say "Delivery Status Notification (Failure)" as the subject line.

It makes it look as though a message you sent to someone did not make it.

My initial concern was whether someone had hacked into my eMail account and used it to send spam. Upon further review, I don't think this is the case.

I am also receiving these messages on eMail accounts I haven't logged into. They are forwarding addresses. So, even if I had gotten hit with a keylogger (all scans show my system clean however), they could not have gotten access to those accounts because I have not logged into them.

The thing is that everyone of these "delivery failure" notices contain an attachment. Of course, you're supposed to open the attachment to learn more about the delivery failure.

Right there is the big clue that it's NOT a legitimate delivery failure, but rather probably a phishing or malware attempt. The attached files contain a script. I did not go through the script, but I suspect it's a script to download malware or redirect you to a malicious website. I can't think of any other reason why a script might be in a delivery failure report.

So, this is another one to be careful of. People who might not otherwise fall for opening attachments could fall victim to this one, perhaps thinking it was something they had sent.
  • Profile picture of the author sylviad
    I've had a few of those. Never opened any attachments. They can contain viruses that infect your system or parts of it. These messages are usually easy to spot. Generally, the real ones arrive within seconds or minutes of your having sent a message. Delivery failures are immediate. They go through or they don't, and that can be determined in seconds.

    If I'm working and suddenly, up pops this failure, I know right away it's phishing or malicious. I immediately delete them. I don't care what's in the attachment because I haven't sent any messages.

    Sylvia
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