Merge branch 'master' into OZG-1274

goofy-server/src/main/java/de/itvsh/goofy/vorgang/VorgangHeader.java

@@ -41,4 +41,7 @@ class VorgangHeader implements Vorgang {
 	@With
 	@JsonProperty(access = Access.READ_ONLY)
 	private LocalDate nextFrist;
+
+	@Builder.Default
+	private boolean hasPostfachNachricht = true;
 }