-
Recent Entries
Monthly Archives
- October 2021
- September 2021
- August 2021
- March 2021
- February 2021
- December 2020
- November 2020
- October 2020
- September 2020
- August 2020
- April 2020
- February 2020
- December 2019
- April 2019
- February 2019
- January 2019
- October 2018
- July 2018
- June 2018
- April 2018
- February 2018
- December 2017
- July 2017
- May 2017
- February 2017
- January 2017
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- April 2016
- March 2016
- February 2016
- December 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- December 2014
- November 2014
- September 2014
- August 2014
- July 2014
- May 2014
Category Archives: Uncategorized
Is IPv4 Space REALLY in short supply? Spammer
Maybe it just is not being used for the right purposes.. Last night we looked at our logs and tracking and noticed a new prolific spammer. Those of us in the industry to realize that there has been a very … Continue reading
Posted in Informative, Uncategorized
Tagged ARIN, attacker, host1plus, hosting providers, IP, spammer
Leave a comment
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
Posted in Informative, Uncategorized
Tagged digital ocean, invalid users, rwhois, spam
Leave a comment
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
Hosting companies and spammer signups
Some hosting companies never end up on our radar, as they have systems in place to catch customers who sign-up for IP Space and VPS’s just to start spamming, but there are others who seem to constantly have problems with … Continue reading
Why do Cel Networks leave port 25 open?
As a new trojan heads around the world attacking phones to use them to send spam, it is surprising that cel networks don’t lock down port 25 as well. Cel phones are roaming devices typically, and should use port 587 … Continue reading
Posted in Uncategorized
Leave a comment
ISP’s DYNA IP’s, blocking port 25
As another large infection spreads across the ‘Internet of Things’, it is time to ask the question again, why aren’t ISP’s and Telco’s routinely blocking outbound connections from their dynamic IP Space to port 25. Not that most spam protections … Continue reading
Cloud Services – Rackspace
It seems like more and more spammers are taking advantage of ‘cloud services’ that allow you to spin up a bunch of servers, and IP(s) and a really big pipe, and they can do a lot of damage in just … Continue reading
Posted in Uncategorized
Leave a comment
.eu domain spam uptick
Had a potential customer that asked about blocking all .eu domains, and of course not something we would like to recommend. However, we get it. Lately spammers (to call them email marketers might be too polite) have been aggressively using … Continue reading
Posted in Uncategorized
Leave a comment
When rwhois says ‘private customer’
An especially virulent affiliate marketing campaign was noted today, from a /23 on Stealthy Networks. While it is nice that they have an rwhois server, it doesn’t help the community when registered as ‘Private Customer’. Is it the same as … Continue reading
Latest Bot Spam Making the rounds
A risk free antiobesity drug.. yeah right.. Normally this shouldn’t affect most people, as it is coming from compromised devices and not email servers, and it looks to be going out to a database of hacked or stolen email addresses … Continue reading