Mail Delivery Failure messages for emails I didn't send

Discussion in 'Mac Apps and Mac App Store' started by Mal, Apr 20, 2010.

  1. Mal macrumors 603

    Mal

    Joined:
    Jan 6, 2002
    Location:
    Orlando
    #1
    Recently I've been getting a ton of "Delivery to the following recipient failed permanently:" messages, and similar things. The problem is, I never sent the emails in question. They're always in Chinese, with some numbers included sometimes, and the messages are in my sent mailbox. I used Google Translate and they appear to be some fairly generic spam messages. I'm changing my password now, but does anyone know how this might have happened? I know I didn't get phished (I'm always careful about entering any information on websites, and never from a link in an email or anything), although it's possible the password could've been guessed (it wasn't the most difficult one ever).

    Just want to help prevent it from happening again.

    jW
     
  2. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    The spammer could have altered the email headings to make it appear that the emails where being sent from your account. But I really don't know much about the inner workings of the email system so I could be wrong.
     
  3. Mal thread starter macrumors 603

    Mal

    Joined:
    Jan 6, 2002
    Location:
    Orlando
    #3
    I would've assumed that if it weren't for the fact that they did show up in my sent box. That implies that I got hacked, most likely. I'm not 100% sure, though.

    jW
     
  4. Decrepit macrumors 65816

    Decrepit

    Joined:
    Sep 6, 2007
    Location:
    Foothills to the Rocky Mountains
    #4
    Definitely a spoof. Report it to your ISP (and your mail host if it's not the same as your ISP), but there isn't a lot you can do about it.
     
  5. Decrepit macrumors 65816

    Decrepit

    Joined:
    Sep 6, 2007
    Location:
    Foothills to the Rocky Mountains
    #5
    You most likely did not get hacked. It's more likely that your mail host is receiving the failed to deliver notices and it's being sent back down to you.

    Basically PersonA sends PersonB email saying it's from PersonC. When PersonB doesn't exist because they sent it to 100,000,000 combinations of characters trying to hit everybody, PersonC gets some of the failed to delivers because the headers were spoofed.
     

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