In previous articles, we discussed how you can quickly set up your own mail server using iRedMail and 7 effective methods for blocking email spam with Postfix SMTP server. I’m going to share more tips and tricks to block email spam in this article. Specifically, we will see how to check email header and body with Postfix and SpamAssassin (SA) to detect spam. SpamAssassin is a free, open-source, flexible and powerful spam-fighting tool.

#mail server #linux #postfix #spam filter #spamassassin #ubuntu #ubuntu server