From 952a3840ee188fe1a810a9b5b8873e23ee16b2e7 Mon Sep 17 00:00:00 2001 From: tengel Date: Wed, 20 Mar 2024 11:55:04 -0500 Subject: [PATCH] adding Postfix Headers --- Postfix-Headers.md | 26 ++++++++++++++++++++++++++ _Sidebar.md | 1 + 2 files changed, 27 insertions(+) create mode 100644 Postfix-Headers.md diff --git a/Postfix-Headers.md b/Postfix-Headers.md new file mode 100644 index 0000000..f51c81f --- /dev/null +++ b/Postfix-Headers.md @@ -0,0 +1,26 @@ +## Privatizing + +Add the following to `/etc/postfix/main.cf`: + +``` +mime_header_checks = regexp:/etc/postfix/header_checks +header_checks = regexp:/etc/postfix/header_checks +``` + +Create the recipe `/etc/postfix/header_checks`: + +``` +/^Received:.*with ESMTPSA/ IGNORE +/^X-Originating-IP:/ IGNORE +/^X-Mailer:/ IGNORE +/^Mime-Version:/ IGNORE +/^User-Agent:/ IGNORE +``` + +Generate the hash map and reload: + +``` +postmap /etc/postfix/header_checks +postfix reload +``` + diff --git a/_Sidebar.md b/_Sidebar.md index ef8fac7..2ea8362 100644 --- a/_Sidebar.md +++ b/_Sidebar.md @@ -42,6 +42,7 @@ - [[NFS 10G Tuning]] - [[Netcat Replacements]] - [[PAM Namespace]] +- [[Postfix Headers]] - [[Proxmox Doodads]] - [[RPM Info]] - [[Radeon Temperature]]