Too many email servers are lacking proper security certificates

1-star ratings, while a solution is being suggested, is the reason why this is being changed now, finally

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

@@ -68,7 +68,7 @@ import javax.mail.internet.InternetAddress;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 283,
+        version = 284,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -2859,6 +2859,15 @@ public abstract class DB extends RoomDatabase {
                         logMigration(startVersion, endVersion);
                         db.execSQL("ALTER TABLE `identity` ADD COLUMN `sensitivity` INTEGER NOT NULL DEFAULT 0");
                     }
+                }).addMigrations(new Migration(283, 284) {
+                    @Override
+                    public void migrate(@NonNull SupportSQLiteDatabase db) {
+                        logMigration(startVersion, endVersion);
+                        if (BuildConfig.PLAY_STORE_RELEASE) {
+                            db.execSQL("UPDATE `account` SET insecure = 1 WHERE auth_type = " + AUTH_TYPE_PASSWORD);
+                            db.execSQL("UPDATE `identity` SET insecure = 1 WHERE auth_type = " + AUTH_TYPE_PASSWORD);
+                        }
+                    }
                 }).addMigrations(new Migration(998, 999) {
                     @Override
                     public void migrate(@NonNull SupportSQLiteDatabase db) {

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

@@ -578,6 +578,7 @@ public class FragmentQuickSetup extends FragmentBase {
 
                                 account.host = provider.imap.host;
                                 account.encryption = aencryption;
+                                account.insecure = BuildConfig.PLAY_STORE_RELEASE;
                                 account.port = provider.imap.port;
                                 account.auth_type = AUTH_TYPE_PASSWORD;
                                 account.user = user;