From 93e7f556ea677380bc7a182b637ef9d3d32135a0 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Wed, 5 Jan 2022 20:45:26 +0100
Subject: [PATCH] Handle unsubscribe email address without scheme

---
 app/src/main/java/eu/faircode/email/MessageHelper.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index 7e6e65db0e..862ce938de 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -1806,7 +1806,9 @@ public class MessageHelper {
                             Log.w(new Throwable(unsubscribe, ex));
                         }
                     }
-                } else {
+                } else if (Helper.EMAIL_ADDRESS.matcher(unsubscribe).matches())
+                    mailto = "mailto:" + unsubscribe;
+                else {
                     if (link == null) {
                         Uri uri = Uri.parse(unsubscribe);
                         String scheme = uri.getScheme();