Archive for the ‘SPAM’ Category

Dealing with spammers

Thursday, November 27th, 2008

So I receive very little spam generally. In fact, most of my spam are from suppliers that don’t seem to be able to differentiate between “I want to receive your emails regarding quotes and invoices and stock availability on orders but I don’t want to know about your specials twice a day.”, so on the odd occasion that I receive real SPAM, I’m pissed. Very pissed.


Collecting a SPAM corpus

Wednesday, October 8th, 2008

One of my employees pointed me at 10 Minute Mail again today. A quick discussion of the concept sparked a few ideas …


DNS Lists, Greylisting and other SPAM related stuff

Wednesday, July 16th, 2008

We all hate receiving SPAM. It’s simple, someone sends you a load of junk mail (be it the common VIAGRA spam or more targeted SPAM from companies using mailer lists) and you receive it and you spend about 10 seconds to decide it’s junk before deleting it. So today ISPA had a “conference” of sorts, called the SpamJam II. Quite a few questions were raised, and some answers provided. And actually some stuff which I’ve been thinking about the last couple of days was under heavy discussion.


Building a DUL on demand

Wednesday, July 16th, 2008

A DUL or a Dial-Up-List is a DNS list that gives an A record (usually in the range) for IPs that’s dynamically assigned, such as dial-up users, or various DSL services. Basically, any technology where an IP is not assigned to a specific person (3G, iBurst, ADSL, sentech, dial-ups).

What the question is now, is whether it’s possible to build such a DUL based on the information provided in whois. (more…)