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spam sent "as if" from me

178 Views 7 Replies Latest reply: Nov 14, 2012 8:57 AM by John Galt RSS
Sharon Chard-Yaron Level 1 Level 1 (40 points)
Currently Being Moderated
Nov 14, 2012 8:31 AM

This probably doesn't go in the IMac thread..  but too many choices to search for where to put it.. 

Using MAIL, a day ago received some  250 "delivery failure/ daemon" in my in box, but I did not send the messages; I don't think they went to my contacts / friends either, because some one would have alerted me.


This AM received a few more, and see that my internet provider closed my email account for spam.  Worked all this out, but can someone explain to me what kind of email intrustion just happened.  No one has my password; no one else uses my computer(s); Is this a virus on my computer, my email?  (home network is all mac);


I have Norton (not the latest Norton due to firewall issues, but the one before that, but with latest virus definitions, on one computer and it did block something yesterday/ Clam Nav is on laptop, but it did not alert me to anything .   Anyone know what happend --do I have a security breach on my computers/ and or devices?

MacBook Pro, Mac OS X (10.6.7)
  • Limnos Level 8 Level 8 (36,585 points)
    Currently Being Moderated
    Nov 14, 2012 8:36 AM (in response to Sharon Chard-Yaron)

    Somebody probably used your e-mail address as the sender address when they sent it from a different account.  It's not difficult to do with the right software.  It's highly unlikely you're hacked, it's just annoying.  Change your password just to be safe.

  • Csound1 Level 7 Level 7 (32,330 points)
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    Nov 14, 2012 8:42 AM (in response to Sharon Chard-Yaron)

    Your email address has been spoofed by a spammer, change your password, there is little else you can do other than get a new address and stop using this one.

  • John Galt Level 7 Level 7 (33,075 points)
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    Nov 14, 2012 8:49 AM (in response to Sharon Chard-Yaron)

    Hi Sharon,


    Whatever your Mac's Mail sent will be in its "Sent" folder.


    If your Mac sent it, it's there. If not, it's not.


    As Limnos said spoofing your "from" address is trivial, and you will receive the bounced emails since the spam sender fraudulently identified you as the source. You did nothing to cause this other than to have sent an email to someone whose Windows computer was pressed into service as a "bot" or whose Outlook address book's contents were harvested. There is not much else you can do about this other than to use an email account with server-side spam protection such as iCloud uses. Gmail and similar mail servers employ similar anti-spam measures.


    As you already learned Norton will not help with this or anything else for that matter. It is likely to cause other, unrelated problems.

  • Csound1 Level 7 Level 7 (32,330 points)
    Currently Being Moderated
    Nov 14, 2012 8:49 AM (in response to Sharon Chard-Yaron)

    Go to your email providers website and check what (if any) facilities Earthlink provide for dealing with spam.

  • John Galt Level 7 Level 7 (33,075 points)
    Currently Being Moderated
    Nov 14, 2012 8:57 AM (in response to Sharon Chard-Yaron)

    Sharon Chard-Yaron wrote:


    John-- thanks.. can you explain what is server-side-spam protection?


    Basically, it is software that resides on an email server to intelligently identify and eradicate spam before it ever reaches you. I don't know what Earthlink uses, if any. If they do not, or if it is ineffective, the account will eventually become clogged with spam, either sent from you (apparently) or sent to you.


    For example, in the distant past I used Yahoo mail. It rapidly became completely useless because they did not incorporate any spam protection. It rapidly became so burdened with spam that I had no choice but to abandon the account. 1000+ spam messages every day.


    Yahoo has improved markedly since then, but of course we have better options now.


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