Possible Spam attack???

Discussion in 'Off-Topic Chat' started by DaveR, Feb 25, 2007.

  1. DaveR

    DaveR Active Member

    Reading, UK
    I've just logged into my email for the first time since Friday evening and found in the region of 100 failed email delivery reports (all from people and addresses I don't recognise). All of the originating emails appear to have come from my domain (aldbrickham-music.co.uk), although the email addresses used are not valid ones.

    If you have received any junk that has apparently come from me in the last couple of days, please accept my apologies - but it is nothing to do with me! And if anybody has any advice as to how to stop someone using my address to spam people with, please let me know! I'm not holding my breath though, I know how easy it is to make it look as if your email is coming from someone else. :mad:
  2. NeilW

    NeilW Member

    Bucks/Oxon borders, UK
    I get loads of "bounced" replies at home too, and have been doing so for some time... Though it is a relatively recent problem.

    I think the spammers are now using random usernames at domains like ours as the "From:" address. Thus replies get sent back to the address the recipient mailer "thinks" it came from.

    Sometimes, if the recipient's mail server has included all the headers in the bounce, you can see who really sent the email (its the first "Received: from" header and you may have to look up the IP address to get a clue which machine really sent the mail....) Not that you can do much about it - most of the senders won't know their machines have been compromised to send spam.

    For instance, the one I currently have in my trash folder purports to be from Waller <dnydq@<<mydomain.co.uk>> Clearly not an address I'd use!

    Another problem is that often the "message" is in the form of an image - and they 're all a few pixels different, which makes life really hard for recognising what they are automatically!

    The approach I'm going to have to adopt is to just ignore all mail (route it to null) that comes to non-real addresses on my system, rather than putting it in MY inbox as I do today.

    I can offer sympathy, but little more constructive than the above.. Now its started, your/our problem probably isn't going to go away anytime soon.

  3. mikelyons

    mikelyons Supporting Member

    I get a few of these, though the attacks don't seem to last long. I get far more offers of viagra, cialis and willy enlargers. Must be out there somewhere that I'm over 50 and in need of such (not hardly ;)) I just have a special webmaster@ address that all malformed addresses go to and once a month or year or so I go and empty it out. That way I don't waste so much time emptying out.

    What I do find occasionally is that my .co.uk address is blocked because at some time it has been spoofed and was used for spamming. However, that doesn't get used much now and none of the band have a .co.uk address so it's just a wast of the spammers' time.
  4. andywooler

    andywooler Supporting Member

    I get hundreds a day too - one of the problems is using domains where you have unlimited email addresses - for example, with demon, you can put absolutely anything in front of the @ and it will get to the recipient. Most of the bounces I get have totally made up names to the lef of the @. I deal with this using spam filters - have considerd a change of provider but that gives less flexibility with email addresses.
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