HowTo: Postfix and Dovecot in front of Scalix

In this post I would like to show, how to set up Postfix and Dovecot in front of Scalix on a Debian system, for security and mail filter reasons. I assume, that you have a running Scalix installation and full management access. If you need help to install Scalix on Debian, you can use my last … Read moreHowTo: Postfix and Dovecot in front of Scalix

HowTo: Use Reverse SSH Tunnel for Rsync Backup on a Synology DS

This post will describe, how to use a reverse ssh tunnel to backup an external device, like a server to your Synology DS via rsync. I have to use the reverse SSH tunnel function, as my DS is behind my firewall at home and my server (which should use the DS for backup) is in … Read moreHowTo: Use Reverse SSH Tunnel for Rsync Backup on a Synology DS

HowTo: Postfix with TLS

This time I would like to show, how to secure the connection between postfix and the client with the help of a certificate by using postfix with TLS support. You can use your own certificate authority for that or a public one. I will use StartSSL to create my certificate and use postfix with TLS. If you … Read moreHowTo: Postfix with TLS