With large providers such as Google and Yahoo looking more into DMARC, this article explains some background and how to set up DKIM and DMARC with Postfix.
read moresecurity.txt
How to ease the life of security researchers and improve your security with a simple text file.
read more- Sun 10 April 2022
- Simon Dreher
- Linux
- Tags: security, server
Securing your server
After researching for the university I post my findings on the internet, too. I will show some tools you should definitely have on your server and some which are nice to have to improve the security of your server.
read more- Wed 10 June 2015
- Simon Dreher
- Linux
- Tags: server, security
Seafile
Description of my setup of seafile instances and some little hints.
read more- Sun 16 February 2014
- Simon Dreher
- Linux
- Tags: linux, server, sync
alaCarte on Debian
Instructions to run an instance of the OpenStreetMap rendering server alaCarte.
read more- Thu 12 December 2013
- Simon Dreher
- Linux
- Tags: linux, alacarte, server
Mailserver
In this article I describe how to use ansible to easily set up a mailserver.
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