Greylisting
I’ve implemented greylisting on my mail server, and I have to say that the initial impact is quite dramatic.
Greylisting is a relatively simple mechanism for defeating spam. Read more…
I’ve implemented greylisting on my mail server, and I have to say that the initial impact is quite dramatic.
Greylisting is a relatively simple mechanism for defeating spam. Read more…
A friend of mine asked whether or not I could create a service like MapLoco. They log the IP addresses of your visitors and create a nifty little map showing where they come from.
I told him that as long as I could get the latitude and longitude for a given IP address, I could very likely do it. Half an hour later, I had created a simple proof of concept example. Read more…
Using the line-in port with Trixbox or PBX-in-a-Flash (PiaF)
Asterisk is a fantastic piece of software. You get world class PBX functionality for free, in a package that you can reliably run on a desktop computer.
One area that Asterisk isn’t as world class in is Music on Hold (MoH). Sure, it’s there and it works, but it starts playing a file from the beginning whenever someone is placed on hold. If you have customers who call regularly, they’re hearing the same part of the same files all the time – not ideal.
What I wanted to do was use my MP3 player as a MoH source Read more…

DPH-541 WiFi VoIP Phone
First Impressions
My first impression of this phone was that it’s attractive looking, with a stylish cellphone style flip design. Read more…
You may have read my last blog entry, where I talked about getting Naked (also known as “dry loop”) DSL service, which is having DSL without having a telephone number/account associated with it. After some thought and spending some time on figuring out where my access would come from during the transition period, I decided to go ahead and cancel my Verizon services and order from DSL Extreme. Read more…
I’m looking at replacing the DSL service I have with Verizon. I currently have a telephone number which I don’t use, except for receiving the very, very occasional fax, and my for my DSL service. So I’m effectively spending $70-$80 per month for a 768k/128k DSL connection. That’s right, 768/128. Ugh. Read more…