Assume that thare always is Config::Addr set

src/mimefactory.rs

@@ -377,14 +377,11 @@ impl<'a, 'b> MimeFactory<'a, 'b> {
                             let self_name = match self.context.get_config(Config::Displayname).await
                             {
                                 Some(name) => name,
-                                None => match self.context.get_config(Config::Addr).await {
-                                    Some(name) => name,
-                                    None => self
-                                        .context
-                                        .stock_str(StockMessage::MessengerName)
-                                        .await
-                                        .to_string(),
-                                },
+                                None => self
+                                    .context
+                                    .get_config(Config::Addr)
+                                    .await
+                                    .unwrap_or_default(),
                             };
 
                             self.context

src/stock.rs

@@ -182,9 +182,6 @@ pub enum StockMessage {
 
     #[strum(props(fallback = "Message from %1$s"))]
     SubjectForNewContact = 73,
-
-    #[strum(props(fallback = "Delta Chat"))]
-    MessengerName = 74,
 }
 
 /*