Postfix - Tag - Nite https://www.nite07.com/en/tags/postfix/ This is Nite's home! Hugo 0.163.3 & FixIt v1.0.0-mr4ox9ps en nite@nite07.com (Nite) nite@nite07.com (Nite) Thu, 09 Jul 2026 15:30:00 +0800 Configuring fail2ban for a Podman Mail Server to Stop SASL Brute Force https://www.nite07.com/en/posts/fail2ban-postfix-podman/ Thu, 09 Jul 2026 15:30:00 +0800nite@nite07.com (Nite) https://www.nite07.com/en/posts/fail2ban-postfix-podman/ Tutorials When a self-hosted mail server gets bombarded by SASL brute-force attacks and spam, fail2ban is the first automated line of defense. This post documents the full process of configuring fail2ban on Arch Linux with a Podman rootless container to read container logs and auto-ban attacking IPs.