HowTo: Postfix with SPF

Reading Time: 4 minutes In 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

HowTo: Postfix with DKIM

Reading Time: 4 minutes In 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