Server
Send all outgoing email trough one IP address in postfix
When a server has more than one IP address, then postfix will use all IP addresses randomly to send out…
Blocking .exe attachments with postfix or amavisd-new and ISPConfig 3
If you use postfix and / or amavisd-new on the mail server, you can use the following recipes to block…
How to enable DKIM email signatures in amavisd-new and ISPConfig 3.0
NOTE: This post is about ISPConfig 3.0 and not 3.1 and newer. ISPConfig 3.1 and newer has DKIM support builtin,…
pure-ftpd does not show more then 2000 files on Debian and Ubuntu
The pure-ftp daemon by default has a recursion limit of 2000 files, this prevents the server from showing more then…
Webalizer error opening the file /usr/share/GeoIP/GeoIP.dat on Debian Linux
The Webalizer package in Debian 6 has currently small bug as the required package for the GeoIP database is not…
How to Configure Active Directory on Windows Server 2012 R2
This step by step tutorial will guide you to set up active directory on your Windows Server 2012 R2 machine.…
How to disable Apache mod_security for a website in ISPConfig 3.
If you use mod_security on your server you might encounter that a website script is not compatible with mod_security. To…