all about networking
Reading Time: 3 minutesMost of you will use some kind of mail server to allow ClearPass sending mails. So even if you do not use ClearPass with Gmail, this might be interesting, even if the ClearPass part is the simple part of this post. If you use a Gmail account for sending emails from your ClearPass this might … Read more
Reading Time: 4 minutesIn this post, I would like to explain the usage of SPF (Sender Policy Framework), which could be used to prevent spam. SPF will use the DNS system to tell the receiving mail server, whether the sending server is allowed to send mails for this domain. As this is the basic concept, I will explain … Read more
Reading Time: 4 minutesIn this post, I would like to show, how to use DKIM together with postfix to enhance the chance, that mails send by your mail server are not marked as spam at the receiver. In my last post, I showed how to set up postfix in front of scalix to filter incoming mails. As also … Read more
Reading Time: 4 minutesIn 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 more
Reading Time: 4 minutesOver the last weeks I got the idea to set up my own server. I did this years before, during my study time but when starting to work I was too busy to maintain my server. Now, I regret this and would like to bring this blog to my own server. While doing this, I … Read more