April 6th, 2010 by Stargazer
Untrained Spamfilter Blues
I migrated my mailserver a few hours ago to a complete new system to have a better groupware solution and less noise. But honestly, I am already missing the old patchwork system as its spamfilter was working very very very… efficient. As the new anti spam system didn’t have that much training, the detection rate is simply crap.
Spam is different. Your spam differs from mine. So the filter needs some time to get used to the messages and learn. The result should improve over time quite well.
Tags: mailserver, mail, spam
Posted in: IT Related stuff | No Comments »
Let’s get active
November 28th, 2009 by Stargazer
Today is a wonderful day, the Linux Day in Dornbirn – the place to gather my CAcert points to become an active assurer for the Web of Trust.
As it was possible to take the assurer test on site – god bless the inventor of wireless lan – I could start to assure people immediately and gain the first ‘Administrative Points’ which enables me to distribute 15 points at once by now.
Update: At the end of the day I could already grant 25 points.
Tags: cacert, mail, security, server
Posted in: IT Related stuff | No Comments »
Now with new Certificates
October 21st, 2009 by Stargazer
It shouldn’t be a new topic to secure your data while sending it across public lines like the internet. This usually happens using server certificates, which are made once and never touched again – if self signed. In my case I wanted to do it better and got me a certificate from CACert.org. At least it is a good exercise to do before changing to a big and expensive one.
Posted in: IT Related stuff | 5 Comments »
Is it me John Wayne, is it you?
August 6th, 2009 by Stargazer
Some spammers can really drive you mad – especially if they are doing things like that. Looking at my mailserver logs I have found some strange IP addresses like 123.27.3.81, 222.252.80.188 or 123.16.13.188 which are resolving to ‘localhost’ regarding to their reverse DNS. In other words, a bad configured mailserver thinks that the mail comes from itself and offers special treatment to that messages – which usually means they bypass the spamfilter. The problem can be solved quite simple by using ’127.0.0.1′ instead of ‘localhost’ in your configuration files and you got green conditions again.
Posted in: Malware | 2 Comments »
eMail for Info-Junkies
February 6th, 2009 by Stargazer
There are many situations in which you might find it important to be up to date with your mailings – especially as soon as they hit your mailbox. This function is available with some mobile phones and commonly sold as ‘Blackberry functionality’ or push mail. In other words it is a more or less permanent connection between the mail server and the mobile phone which is now used by the mail server for pushing the messages across as soon as they arrive.
Tags: mailserver, mail
Posted in: IT Related stuff | 4 Comments »
A new MTA
January 19th, 2009 by Stargazer
I guess you all know the common problem with cheap hardware being used as a server box, don’t you? I’m fed up with those troubles and decided to use some professional hardware.
Tags: mailserver, mail
Posted in: IT Related stuff | 5 Comments »
The password on archive anjelina
August 5th, 2008 by Stargazer
As some spammer guy abuses my domain name again, my mail server got some work to do. Anyways, this time there’s a new bastard out there pretending to be a video of Angelina Jolie. For making it through the common malware scanners the virus is hidden in a password protected rar archive…
Keep your eyes open, out there!
Posted in: Malware | No Comments »