From 45cd9e8fb9052a4f9bd38498bcf5bb493bd15141 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Tue, 8 Apr 2025 08:53:30 -0400
Subject: Fix regex patterns in email block list

I guess GPT-4 or whatever assistant I used got the wrong syntax the first time.
---
 Omni/Cloud/Mail.nix | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

(limited to 'Omni/Cloud/Mail.nix')

diff --git a/Omni/Cloud/Mail.nix b/Omni/Cloud/Mail.nix
index 61ccf30..bccf5db 100644
--- a/Omni/Cloud/Mail.nix
+++ b/Omni/Cloud/Mail.nix
@@ -63,48 +63,59 @@ Known issues:
   services.postfix.headerChecks = [
     # Block perfora.net
     {
-      pattern = "/^Received:.*perfora\\.net/";
+      pattern = "^Received:.*perfora\\.net";
       action = "REJECT Domain perfora.net is blocked";
     }
     {
-      pattern = "/^From:.*perfora\\.net/";
+      pattern = "^From:.*perfora\\.net";
       action = "REJECT Domain perfora.net is blocked";
     }
 
     # Block novastells.com.es domain
     {
-      pattern = "/^Received:.*novastells\\.com\\.es/";
+      pattern = "^Received:.*novastells\\.com\\.es";
       action = "REJECT Domain novastells.com.es is blocked";
     }
     {
-      pattern = "/^From:.*novastells\\.com\\.es/";
+      pattern = "^From:.*novastells\\.com\\.es";
       action = "REJECT Domain novastells.com.es is blocked";
     }
     {
-      pattern = "/^Return-Path:.*novastells\\.com\\.es/";
+      pattern = "^Return-Path:.*novastells\\.com\\.es";
       action = "REJECT Domain novastells.com.es is blocked";
     }
     {
-      pattern = "/^Sender:.*novastells\\.com\\.es/";
+      pattern = "^Sender:.*novastells\\.com\\.es";
       action = "REJECT Domain novastells.com.es is blocked";
     }
 
     # Block optaltechtld.com domain
     {
-      pattern = "/^Received:.*optaltechtld\\.com/";
+      pattern = "^Received:.*optaltechtld\\.com";
       action = "REJECT Domain optaltechtld.com is blocked";
     }
     {
-      pattern = "/^From:.*optaltechtld\\.com/";
+      pattern = "^From:.*optaltechtld\\.com";
       action = "REJECT Domain optaltechtld.com is blocked";
     }
     {
-      pattern = "/^Return-Path:.*optaltechtld\\.com/";
+      pattern = "^Return-Path:.*optaltechtld\\.com";
       action = "REJECT Domain optaltechtld.com is blocked";
     }
     {
-      pattern = "/^Sender:.*optaltechtld\\.com/";
+      pattern = "^Sender:.*optaltechtld\\.com";
       action = "REJECT Domain optaltechtld.com is blocked";
     }
   ];
+
+  # Increase memory limits for mbsync, otherwise it runs out of space trying to
+  # sync large mailboxes (like dev/INBOX)
+  services.dovecot2.extraConfig = ''
+    service imap {
+      vsz_limit = 4G
+    }
+    service quota-status {
+      vsz_limit = 4G
+    }
+  '';
 }
-- 
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