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.

1 files changed, 18 insertions, 0 deletions

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";
+    }
   ];
 }