From 63def24ec7c20dcd226695e30cd8ae9390f5bc10 Mon Sep 17 00:00:00 2001 From: "Ben Sima (aider)" Date: Tue, 18 Mar 2025 21:55:34 -0400 Subject: Block optaltechtld.com domain to prevent spam emails Added header checks for optaltechtld.com domain to block incoming spam emails claiming to be from MetaMask. The configuration includes checks for Received, From, Return-Path, and Sender headers containing this domain, rejecting any matching messages at the mail server level. --- Omni/Cloud/Mail.nix | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'Omni/Cloud') diff --git a/Omni/Cloud/Mail.nix b/Omni/Cloud/Mail.nix index 728ec09..bc14d93 100644 --- a/Omni/Cloud/Mail.nix +++ b/Omni/Cloud/Mail.nix @@ -88,5 +88,23 @@ Known issues: pattern = "/^Sender:.*novastells\\.com\\.es/"; action = "REJECT Domain novastells.com.es is blocked"; } + + # Block optaltechtld.com domain + { + pattern = "/^Received:.*optaltechtld\\.com/"; + action = "REJECT Domain optaltechtld.com is blocked"; + } + { + pattern = "/^From:.*optaltechtld\\.com/"; + action = "REJECT Domain optaltechtld.com is blocked"; + } + { + pattern = "/^Return-Path:.*optaltechtld\\.com/"; + action = "REJECT Domain optaltechtld.com is blocked"; + } + { + pattern = "/^Sender:.*optaltechtld\\.com/"; + action = "REJECT Domain optaltechtld.com is blocked"; + } ]; } -- cgit v1.2.3