Tag Archives: spam

The IRS did not send you this.

The recent increase in BOT generated spam is VERY good at social engineering, and while fortunately most of it can be blocked using very simple spam protection rules, unfortunately the payload can be VERY painful, eg RansomWare or CryptoLocker pay … Continue reading

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Election Time in the US, let the spam wars begin!

One of the toughest jobs for spam auditors is when “one man’s spam is another man’ reading material”, and never is it more apparent than during election times in the US. Today, Hillary Clinton’s campaign started used ‘Exact Target’ to … Continue reading

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Is your CPE equipment secure?

It appears that a large spam bot has taken up a new home over the last couple of days, and in this case it appears to be NOT on consumer devices, computers, or servers, but on the very structure that … Continue reading

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The problem with a ‘Digital Ocean’

While in our case all of these connections are marked as spam, today’s logs showed a good example while the idea of an anonymous ‘ocean’ of IP(s) is not really a good idea. A small ‘digital pool’ at least where … Continue reading

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Pesky Russian Spam Sources Increasing Again?

As you know, I often point out how bad the North American hosting companies can be as spam sources, but of course with most of the hosting companies being in North America, this would be logical. It used to be … Continue reading

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How easy it is for spammers to get IP(s)

It used to be the spammer’s favourite trick was to use virus’s, trojans etc to take over home computers to send spam, but spammers have found that often it is easier just to order IP Space. Some hosting companies look … Continue reading

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Linode Outbreaks, why PTR Important

Today’s report is about Linode, but of course this could be about many different providers, and is a reason why the ability to block emails based on the PTR records is important, and it is best when it can be … Continue reading

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Rejecting ‘before’ SMTP processes

It is always surprising how much benefit you can get by blocking at the edge, on very simple rule sets, and how much load can be reduced. Of course it depends on your implementation, sometimes that means blocking at the … Continue reading

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RIPE Bulgaria, what is going on?

While we all see occasional false information used by spammers to get hosting IP Space, in an age where IPv4 addresses are scarce you always wonder when large swathes of brand new IP space are used for spamming. And in … Continue reading

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SoftLayer spam increase

While every hosting company has challenges with preventing spam outbreaks, and some do better than others, we occasionally see a trend that indicates a larger issue. This could be related to a general security issue, or a systemic deficiency. And … Continue reading

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