From 7bcb1c6e9bf039e59bc8e02f70141a1a62dde1f6 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Fri, 14 Jan 2022 18:10:25 +0100
Subject: [PATCH] Quote block sender domain

---
 app/src/main/java/eu/faircode/email/EntityRule.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/EntityRule.java b/app/src/main/java/eu/faircode/email/EntityRule.java
index 4b07c3331c..307bb7ce26 100644
--- a/app/src/main/java/eu/faircode/email/EntityRule.java
+++ b/app/src/main/java/eu/faircode/email/EntityRule.java
@@ -1032,7 +1032,7 @@ public class EntityRule {
                 int at = sender.indexOf('@');
                 if (at > 0) {
                     regex = true;
-                    sender = ".*@.*" + sender.substring(at + 1) + ".*";
+                    sender = ".*@.*" + Pattern.quote(sender.substring(at + 1)) + ".*";
                 }
             }