+ 0 Votes Well there could be a Local Infection OH Smeg 3 years ago The best bet is to scan the system in Safe Mode with both an AV Product then things like Spy Bot S&D and Malware Bytes http://download.cnet.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html?tag=mncol&cdlPid=10878968 http://www.safer-networking.org/en/download/index.html Of course this is assuming that your Fiend is running some form of Windows which may be dangerous. However if they are install the above apps if they are not already installed Update them and the AV Product loaded and then reboot the system into Safe Mode and run scans on the system. If it shows anything being deleted rescan with that Application till it's either clean or it's not possible to remove the infection. Then move to another Scanner. I always start with an AV Product then use Spy Bot and finally Malware Bytes, but that's my Personal Preference. In severe cases or if Windows isn't involved you may need to use a Rescue Disc like those mentioned here http://blogs.techrepublic.com.com/security/?p=3803&tag=content;leftCol Col + 0 Votes Overwhelming prevailing cause is SPOOFING deepsand 3 years ago SMTP provides no mechanism for authenticating the Sender of an e-mail, making it easy to impersonate another by forging the Sender's address. This is commonly known as spoofing. There is nothing that you can do to stop it. + 0 Votes Probably not sent from your friends computer TobiF 3 years ago Spam senders use lists of emails not only for recipients, but also for senders. Seems your friend's address got abused as a fake sender address, and then undelivered spam comes "bouncing back". It is actually possible to double check if the spam originated from his ip address. In the bounced emails, you usually have a copy of the bounced email attached. If you open such an attachment in notepad and look at the delivery headers, then you can see which way the spam was delivered. If the ip addresses listed have nothing in common with your friends email server and/or own public ip, then his address was simply used as a fake sender. + 0 Votes It is possible LocoLobo 3 years ago the notices of undelivered emails are spoofing SPAM from others. Is he SURE the notices are legit? Unless he has evidence that his computer is a spambot, I would ignore and delete them. + 0 Votes I get the same. Kenogami 3 years ago Are you using MSN and hotmail? If so, Microsoft has failed to implement or activate the blocking in their system. I think that once you block an un-wanted E-mail, It should be blocked, not even go into your junk mail. Only my opinion! But go figure, you can never delete your information from FaceBook. P.S. all illegal WEB sites collect and sell your information. Beware of any videos that want you to download a new codex version. This is a scam. DON'T GO NEAR IT @#@#@#@# Done it, regret it. Randy + 0 Votes Overwhelming prevailing cause is SPOOFING deepsand 3 years ago SMTP provides no mechanism for authenticating the Sender of an e-mail, making it easy to impersonate another by forging the Sender's address. This is commonly known as spoofing. There is nothing that you can do to stop it.