I like it extra clean

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

@@ -105,8 +105,11 @@ public interface DaoAttachment {
             "   JOIN folder ON folder.id = message.folder" +
             "   WHERE a.id = attachment.id" +
             "   AND a.available" +
-            "   AND message.stored < :now - folder.sync_days * 24 * 3600 * 1000)")
+            "   AND (message.stored < :now - folder.sync_days * 24 * 3600 * 1000" +
-    int purge(long now);
+            "   OR (:extra AND" +
+            "   (folder.type = '" + EntityFolder.TRASH + "'" +
+            "    OR folder.type = '" + EntityFolder.JUNK + "'))))")
+    int purge(long now, boolean extra);
 
     @Insert
     long insertAttachment(EntityAttachment attachment);

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

@@ -33,6 +33,8 @@ import androidx.work.WorkManager;
 import androidx.work.Worker;
 import androidx.work.WorkerParameters;
 
+import net.openid.appauth.BuildConfig;
+
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -92,7 +94,8 @@ public class WorkerCleanup extends Worker {
                 }
 
                 if (cleanup_attachments) {
-                    int purged = db.attachment().purge(new Date().getTime());
+                    int purged = db.attachment().purge(
+                            new Date().getTime(), BuildConfig.DEBUG);
                     Log.i("Attachments purged=" + purged);
                 }