Small IP Block Registrations

We have been seeing seeing a new trend in unmanaged Colo Hosting with registration of smaller IP blocks. When we start to see trends of a new colo company amassing small IP blocks and allowing spammers on their networks, we do further research to find and block the...

Spam detection poison

Spam detection poison is content that makes spam detection databases get corrupt and leads to “false Positives”. If you feed certain types of email into a Bayesian database it can negatively impact the ability to detect real spam. The spammers are well...

The most dangerous spam

The most dangerous spam comes in various flavors – from an email that plants a virus or tracking code on your computer to an email that entices you to click on it because it really looks like you should! The past few years there have been many emails that look...

Kudos to Hostgator

One of the growing frustrations of battling spam is the abundance of non-responsive service providers. Every now and then I get a surprise! Watching the mail server recently and doing analysis of mail headers in spam to find where a current flood of spam was...

Kudos to NameCheap

Another day trudging through the spammers. Our servers were seeing lots of spam from: rafnadaelclay.IN Tracing was interesting: Domain www.rafnadaelclay.in is being redirected to free.park-your-domain.com Domain free.park-your-domain.com is being redirected to...

AOL Feedback Loop

ISPs can engage with AOL in what is known as a “feedback loop” [click for information] AOL sends our abuse team an email if an email user and AOL clicks the spam button on an email from one of our email customers. There are some problems with this system...