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A week ago, the Washington Post printed an article saying that Spamhaus had listed Microsoft as the 5th worst spam-friendly ISP. There was (an is) a link to the current top 10 worst spam friendly ISPs, and while Microsoft is no longer on there,
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Being a hosted service, we have a number of customers who share an outbound IP range. If one of those customers starts to misbehave, their actions can affect everyone else. We've lot about outbound spam this past year. We've implemented a
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About a week or two ago, I saw then-Senator Barack Obama doing an interview on The Daily Show with John Stewart. He was responding to some criticisms from the McCain campaign that arose in regards to his comments that we should "share the wealth."
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Over on the Google Enterprise Blog, they recently posted the following with regards to some new features: (1) Our spam protection continues to evolve, this time with NDR (non-delivery receipt) filter improvements. Administrators can now more precisely
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Well, the government is well on its way to bailing out Wall Street from its own incompetence, putting taxpayers on the hook for $700 billion. The worst part is that as Treasury Secretary Hank Paulson puts it, "You're worried about taxpayers
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When we encountered the problem of outbound spam, one of the big problems is that of the automation of analysis. Let's say we sign up for feedback loops. Many of these FBLs contain a lot of noise. It often takes a human to take a look and
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This post is a bit of a rant. On this particular blog, all of my commenters are quite intelligent. You all provide good content and I try my best to respond to most of the comments. The times I don't is because the connection screws up and
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JD Falk of Box of Meat has a post that describes a problem Yahoo had with one of its new email security features. The article states that the problem arose when Yahoo decided to stop any emails going through the servers, which it runs for its partner
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A few months ago there was a research presentation presented on computer security. It touched upon botnets and the presenter gave some data. Below are some summary results based on a 9-day down-sampled spam trace from Hotmail. There were 294
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Microsoft chairman Bill Gates has described Facebook as a walled garden, that is to say, inside is very nice but only certain people can get in. Facebook is based on trust, only friends can view your profile and not just any old person can talk
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Following up from my previous post , how do we do safe senders? On the MAIL FROM in the SMTP conversation? Or the one in the message headers? The message headers is more intuitive but there are drawbacks. Consider the SMTP protocol.
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An antispam technique that has caused some pain in recent days for some customers is that of compromising a user's email account and then using it to send out spam. This is an example of what I have earlier referred to as diplomatic immunity - hiding
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Websense is reporting in a blog article that Google's CAPTCHA has been broken with a one in five success rate. More interestingly, they have a lot of technical details about how the botnet members coordinate with two different computers during the
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In a follow up to the blog post from Google arguing against IP addresses being Personally Identifiable Information, I have a couple of more comments. A couple of months ago we ran into the exact same issue. While Whitten does make valid points that
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I don't normally cheer for Google when I don't have shares in the company, but this time I will make an exception. Alma Whitten, Software Engineer at Google, today posted to their Public Policy Blog that IP addresses shouldn't be considered Personally
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