Refactoring

app/src/main/java/eu/faircode/email/EntityFolder.java

@@ -319,6 +319,9 @@ public class EntityFolder extends EntityOrder implements Serializable {
             unified = true;
             notify = true;
         }
+
+        if ("poczta.o2.pl".equals(account.host) && INBOX.equals(name))
+            poll = true;
     }
 
     void inheritFrom(EntityFolder parent) {

app/src/main/java/eu/faircode/email/ServiceSynchronize.java

@@ -1715,8 +1715,7 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
 
                     // https://tools.ietf.org/html/rfc2177
                     final boolean capIdle =
-                            iservice.hasCapability("IDLE") &&
-                                    !"poczta.o2.pl".equals(account.host);
+                            iservice.hasCapability("IDLE");
                     final boolean capUtf8 =
                             iservice.hasCapability("UTF8=ACCEPT") ||
                                     iservice.hasCapability("UTF8=ONLY");