diff --git a/app/src/main/java/eu/faircode/email/ActivityEML.java b/app/src/main/java/eu/faircode/email/ActivityEML.java
index 3deff1b2b7..999e5b1092 100644
--- a/app/src/main/java/eu/faircode/email/ActivityEML.java
+++ b/app/src/main/java/eu/faircode/email/ActivityEML.java
@@ -275,7 +275,7 @@ public class ActivityEML extends ActivityBase {
                     }
 
                     int textColorLink = Helper.resolveColor(context, android.R.attr.textColorLink);
-                    SpannableStringBuilder ssb = new SpannableStringBuilder();
+                    SpannableStringBuilder ssb = new SpannableStringBuilderEx();
                     getStructure(imessage, ssb, 0, textColorLink);
                     result.structure = ssb;
 
diff --git a/app/src/main/java/eu/faircode/email/ActivitySignature.java b/app/src/main/java/eu/faircode/email/ActivitySignature.java
index bb2d72c35d..61bdaa8582 100644
--- a/app/src/main/java/eu/faircode/email/ActivitySignature.java
+++ b/app/src/main/java/eu/faircode/email/ActivitySignature.java
@@ -356,7 +356,7 @@ public class ActivitySignature extends ActivityBase {
             if (etText.isRaw())
                 etText.getText().insert(start, "<img src=\"" + Html.escapeHtml(uri.toString()) + "\" />");
             else {
-                SpannableStringBuilder ssb = new SpannableStringBuilder(etText.getText());
+                SpannableStringBuilder ssb = new SpannableStringBuilderEx(etText.getText());
                 ssb.insert(start, " \uFFFC"); // Object replacement character
                 String source = uri.toString();
                 Drawable d = ImageHelper.decodeImage(this, -1, source, true, 0, 1.0f, etText);
diff --git a/app/src/main/java/eu/faircode/email/AdapterLog.java b/app/src/main/java/eu/faircode/email/AdapterLog.java
index 2d639fc348..8e0fa10d1f 100644
--- a/app/src/main/java/eu/faircode/email/AdapterLog.java
+++ b/app/src/main/java/eu/faircode/email/AdapterLog.java
@@ -80,7 +80,7 @@ public class AdapterLog extends RecyclerView.Adapter<AdapterLog.ViewHolder> {
 
         private void bindTo(EntityLog log) {
             tvTime.setText(TF.format(log.time));
-            SpannableStringBuilder ssb = new SpannableStringBuilder(log.data);
+            SpannableStringBuilder ssb = new SpannableStringBuilderEx(log.data);
             switch (log.type) {
                 case General:
                     break;
diff --git a/app/src/main/java/eu/faircode/email/AdapterMessage.java b/app/src/main/java/eu/faircode/email/AdapterMessage.java
index 3febda8b84..5b9444d2b9 100644
--- a/app/src/main/java/eu/faircode/email/AdapterMessage.java
+++ b/app/src/main/java/eu/faircode/email/AdapterMessage.java
@@ -1996,7 +1996,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private Spanned formatAddresses(Address[] addresses, boolean full, int max) {
-            SpannableStringBuilder ssb = new SpannableStringBuilder();
+            SpannableStringBuilder ssb = new SpannableStringBuilderEx();
 
             if (addresses == null || addresses.length == 0)
                 return ssb;
@@ -4771,7 +4771,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 boolean confirm_links = prefs.getBoolean("confirm_links", true);
                 Uri guri = UriHelper.guessScheme(uri);
                 String scheme = guri.getScheme();
-                String host = guri.getHost();;
+                String host = guri.getHost();
+                ;
                 boolean confirm_link =
                         !"https".equals(scheme) || TextUtils.isEmpty(host) ||
                                 prefs.getBoolean(host + ".confirm_link", true);
@@ -5451,7 +5452,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private SpannableStringBuilder getKeywords(TupleMessageEx message) {
-            SpannableStringBuilder ssb = new SpannableStringBuilder();
+            SpannableStringBuilder ssb = new SpannableStringBuilderEx();
 
             if (message.keyword_titles == null || message.keyword_colors == null) {
                 ssb.append("Keywords missing!");
@@ -6833,7 +6834,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                         icon.setBounds(0, 0, iconSize, iconSize);
                         ImageSpan imageSpan = new CenteredImageSpan(icon);
 
-                        SpannableStringBuilder ssb = new SpannableStringBuilder(language.name);
+                        SpannableStringBuilder ssb = new SpannableStringBuilderEx(language.name);
                         ssb.insert(0, "\uFFFC\u2002"); // object replacement character, en space
                         ssb.setSpan(imageSpan, 0, 1, 0);
 
@@ -6957,7 +6958,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
                                 @Override
                                 protected void onExecuted(Bundle args, DeepL.Translation translation) {
-                                    SpannableStringBuilder ssb = new SpannableStringBuilder(tvText.getText());
+                                    SpannableStringBuilder ssb = new SpannableStringBuilderEx(tvText.getText());
                                     int start = ssb.getSpanStart(mark);
                                     int end = ssb.getSpanEnd(mark);
                                     int textColorPrimary = Helper.resolveColor(context, android.R.attr.textColorPrimary);
diff --git a/app/src/main/java/eu/faircode/email/EditTextCompose.java b/app/src/main/java/eu/faircode/email/EditTextCompose.java
index aeac91baf0..6ac22242cd 100644
--- a/app/src/main/java/eu/faircode/email/EditTextCompose.java
+++ b/app/src/main/java/eu/faircode/email/EditTextCompose.java
@@ -161,7 +161,7 @@ public class EditTextCompose extends FixedEditText {
                         try {
                             SpannableStringBuilder ssb;
                             if (raw)
-                                ssb = new SpannableStringBuilder(html);
+                                ssb = new SpannableStringBuilderEx(html);
                             else {
                                 Document document = HtmlHelper.sanitizeCompose(context, html, false);
                                 Spanned paste = HtmlHelper.fromDocument(context, document, new Html.ImageGetter() {
@@ -172,7 +172,7 @@ public class EditTextCompose extends FixedEditText {
                                     }
                                 }, null);
 
-                                ssb = new SpannableStringBuilder(paste);
+                                ssb = new SpannableStringBuilderEx(paste);
                                 QuoteSpan[] spans = ssb.getSpans(0, ssb.length(), QuoteSpan.class);
                                 for (QuoteSpan span : spans) {
                                     QuoteSpan q;
diff --git a/app/src/main/java/eu/faircode/email/FragmentAnswer.java b/app/src/main/java/eu/faircode/email/FragmentAnswer.java
index 3719fa14f4..939caf8501 100644
--- a/app/src/main/java/eu/faircode/email/FragmentAnswer.java
+++ b/app/src/main/java/eu/faircode/email/FragmentAnswer.java
@@ -444,7 +444,7 @@ public class FragmentAnswer extends FragmentBase {
             getContext().getContentResolver().takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
 
             int start = etText.getSelectionStart();
-            SpannableStringBuilder ssb = new SpannableStringBuilder(etText.getText());
+            SpannableStringBuilder ssb = new SpannableStringBuilderEx(etText.getText());
             ssb.insert(start, " \uFFFC"); // Object replacement character
             String source = uri.toString();
             Drawable d = ImageHelper.decodeImage(getContext(), -1, source, true, 0, 1.0f, etText);
diff --git a/app/src/main/java/eu/faircode/email/FragmentCompose.java b/app/src/main/java/eu/faircode/email/FragmentCompose.java
index 194457992a..85d507108b 100644
--- a/app/src/main/java/eu/faircode/email/FragmentCompose.java
+++ b/app/src/main/java/eu/faircode/email/FragmentCompose.java
@@ -532,7 +532,7 @@ public class FragmentCompose extends FragmentBase {
 
         setZoom();
 
-        SpannableStringBuilder hint = new SpannableStringBuilder();
+        SpannableStringBuilder hint = new SpannableStringBuilderEx();
         hint.append(getString(R.string.title_body_hint));
         hint.append("\n");
         int pos = hint.length();
@@ -1910,7 +1910,7 @@ public class FragmentCompose extends FragmentBase {
                 if (BuildConfig.DEBUG) {
                     SubMenu profiles = main.addSubMenu(Menu.NONE, order, order++, "Profiles");
                     for (EmailProvider p : EmailProvider.loadProfiles(getContext())) {
-                        SpannableStringBuilder ssb = new SpannableStringBuilder();
+                        SpannableStringBuilder ssb = new SpannableStringBuilderEx();
                         int start;
                         ssb.append("IMAP (account, receive)");
 
@@ -2755,7 +2755,7 @@ public class FragmentCompose extends FragmentBase {
                 CharSequence body = args.getCharSequence("body");
                 int start = args.getInt("start");
 
-                SpannableStringBuilder s = new SpannableStringBuilder(body);
+                SpannableStringBuilder s = new SpannableStringBuilderEx(body);
                 if (start < 0)
                     start = 0;
                 if (start > s.length())
@@ -6118,7 +6118,7 @@ public class FragmentCompose extends FragmentBase {
                     }
                 }, null);
 
-                SpannableStringBuilder bodyBuilder = new SpannableStringBuilder(spannedBody);
+                SpannableStringBuilder bodyBuilder = new SpannableStringBuilderEx(spannedBody);
                 QuoteSpan[] bodySpans = bodyBuilder.getSpans(0, bodyBuilder.length(), QuoteSpan.class);
                 for (QuoteSpan quoteSpan : bodySpans) {
                     QuoteSpan q;
diff --git a/app/src/main/java/eu/faircode/email/FragmentDialogOpenLink.java b/app/src/main/java/eu/faircode/email/FragmentDialogOpenLink.java
index 8059b9619c..ea8a071d48 100644
--- a/app/src/main/java/eu/faircode/email/FragmentDialogOpenLink.java
+++ b/app/src/main/java/eu/faircode/email/FragmentDialogOpenLink.java
@@ -641,7 +641,7 @@ public class FragmentDialogOpenLink extends FragmentDialogBase {
         String scheme = uri.getScheme();
         String host = uri.getHost();
         String text = uri.toString();
-        SpannableStringBuilder ssb = new SpannableStringBuilder(text);
+        SpannableStringBuilder ssb = new SpannableStringBuilderEx(text);
 
         try {
             int textColorLink = Helper.resolveColor(context, android.R.attr.textColorLink);
diff --git a/app/src/main/java/eu/faircode/email/FragmentMessages.java b/app/src/main/java/eu/faircode/email/FragmentMessages.java
index 986ab350b9..adba676ed1 100644
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@@ -4640,7 +4640,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
                 PopupMenuLifecycle popupMenu = new PopupMenuLifecycle(getContext(), getViewLifecycleOwner(), vwAnchor);
 
-                SpannableStringBuilder all = new SpannableStringBuilder(getString(R.string.title_language_all));
+                SpannableStringBuilder all = new SpannableStringBuilderEx(getString(R.string.title_language_all));
                 if (current == null) {
                     all.setSpan(new StyleSpan(Typeface.BOLD), 0, all.length(), 0);
                     all.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_LARGE), 0, all.length(), 0);
@@ -4651,7 +4651,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                 for (int i = 0; i < locales.size(); i++) {
                     Locale locale = locales.get(i);
                     String language = locale.getLanguage();
-                    SpannableStringBuilder title = new SpannableStringBuilder(locale.getDisplayLanguage());
+                    SpannableStringBuilder title = new SpannableStringBuilderEx(locale.getDisplayLanguage());
                     if (language.equals(current)) {
                         title.setSpan(new StyleSpan(Typeface.BOLD), 0, title.length(), 0);
                         title.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_LARGE), 0, title.length(), 0);
diff --git a/app/src/main/java/eu/faircode/email/FragmentOptions.java b/app/src/main/java/eu/faircode/email/FragmentOptions.java
index a7df91171d..9de78c315b 100644
--- a/app/src/main/java/eu/faircode/email/FragmentOptions.java
+++ b/app/src/main/java/eu/faircode/email/FragmentOptions.java
@@ -220,7 +220,7 @@ public class FragmentOptions extends FragmentBase {
         for (int i = 0; i < tabLayout.getTabCount(); i++) {
             Drawable d = context.getDrawable(PAGE_ICONS[i]);
             d.setColorFilter(colorAccent, PorterDuff.Mode.SRC_ATOP);
-            SpannableStringBuilder title = new SpannableStringBuilder(getString(PAGE_TITLES[i]));
+            SpannableStringBuilder title = new SpannableStringBuilderEx(getString(PAGE_TITLES[i]));
             if (i > 0)
                 title.setSpan(new RelativeSizeSpan(0.85f), 0, title.length(), 0);
             tabLayout.getTabAt(i)
diff --git a/app/src/main/java/eu/faircode/email/FragmentOptionsEncryption.java b/app/src/main/java/eu/faircode/email/FragmentOptionsEncryption.java
index a89eb1a716..97aacf90e4 100644
--- a/app/src/main/java/eu/faircode/email/FragmentOptionsEncryption.java
+++ b/app/src/main/java/eu/faircode/email/FragmentOptionsEncryption.java
@@ -416,7 +416,7 @@ public class FragmentOptionsEncryption extends FragmentBase implements SharedPre
             @Override
             protected Spanned onExecute(Context context, Bundle args) {
                 boolean debug = args.getBoolean("debug");
-                SpannableStringBuilder ssb = new SpannableStringBuilder();
+                SpannableStringBuilder ssb = new SpannableStringBuilderEx();
 
                 int dp24 = Helper.dp2pixels(context, 24);
 
diff --git a/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java b/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java
index 8d0de44c2c..1caf3dc4e5 100644
--- a/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java
+++ b/app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java
@@ -1189,7 +1189,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         try {
             int start = 0;
             int dp24 = Helper.dp2pixels(getContext(), 24);
-            SpannableStringBuilder ssb = new SpannableStringBuilder();
+            SpannableStringBuilder ssb = new SpannableStringBuilderEx();
             PackageManager pm = getContext().getPackageManager();
             PackageInfo pi = pm.getPackageInfo(BuildConfig.APPLICATION_ID, PackageManager.GET_PERMISSIONS);
             for (int i = 0; i < pi.requestedPermissions.length; i++) {
diff --git a/app/src/main/java/eu/faircode/email/FragmentOptionsSend.java b/app/src/main/java/eu/faircode/email/FragmentOptionsSend.java
index 1d920051cf..ea59e0d5ad 100644
--- a/app/src/main/java/eu/faircode/email/FragmentOptionsSend.java
+++ b/app/src/main/java/eu/faircode/email/FragmentOptionsSend.java
@@ -159,7 +159,7 @@ public class FragmentOptionsSend extends FragmentBase implements SharedPreferenc
 
         List<CharSequence> fn = new ArrayList<>();
         for (int i = 0; i < fontNameNames.length; i++) {
-            SpannableStringBuilder ssb = new SpannableStringBuilder(fontNameNames[i]);
+            SpannableStringBuilder ssb = new SpannableStringBuilderEx(fontNameNames[i]);
             ssb.setSpan(new TypefaceSpan(fontNameValues[i]), 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
             fn.add(ssb);
         }
diff --git a/app/src/main/java/eu/faircode/email/HtmlHelper.java b/app/src/main/java/eu/faircode/email/HtmlHelper.java
index e466a82da5..5fe7e596ad 100644
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -2260,7 +2260,7 @@ public class HtmlHelper {
     }
 
     static Spanned highlightHeaders(Context context, String headers, boolean blocklist) {
-        SpannableStringBuilder ssb = new SpannableStringBuilder(headers);
+        SpannableStringBuilder ssb = new SpannableStringBuilderEx(headers);
         int textColorLink = Helper.resolveColor(context, android.R.attr.textColorLink);
 
         int index = 0;
@@ -2584,7 +2584,7 @@ public class HtmlHelper {
         }, document.body());
 
         // https://developer.android.com/guide/topics/text/spans
-        SpannableStringBuilder ssb = new SpannableStringBuilder();
+        SpannableStringBuilder ssb = new SpannableStringBuilderEx();
 
         NodeTraversor.traverse(new NodeVisitor() {
             private Element element;
diff --git a/app/src/main/java/eu/faircode/email/PopupMenuLifecycle.java b/app/src/main/java/eu/faircode/email/PopupMenuLifecycle.java
index 6664fdb623..44e232b577 100644
--- a/app/src/main/java/eu/faircode/email/PopupMenuLifecycle.java
+++ b/app/src/main/java/eu/faircode/email/PopupMenuLifecycle.java
@@ -131,7 +131,7 @@ public class PopupMenuLifecycle extends PopupMenu implements LifecycleObserver {
         icon.setBounds(0, 0, iconSize, iconSize);
         ImageSpan imageSpan = new CenteredImageSpan(icon);
 
-        SpannableStringBuilder ssb = new SpannableStringBuilder(menuItem.getTitle());
+        SpannableStringBuilder ssb = new SpannableStringBuilderEx(menuItem.getTitle());
         ssb.insert(0, "\uFFFC\u2002"); // object replacement character, en space
         ssb.setSpan(imageSpan, 0, 1, 0);
         menuItem.setTitle(ssb);
diff --git a/app/src/main/java/eu/faircode/email/SpannableStringBuilderEx.java b/app/src/main/java/eu/faircode/email/SpannableStringBuilderEx.java
new file mode 100644
index 0000000000..9b3cc6980c
--- /dev/null
+++ b/app/src/main/java/eu/faircode/email/SpannableStringBuilderEx.java
@@ -0,0 +1,70 @@
+package eu.faircode.email;
+
+/*
+    This file is part of FairEmail.
+
+    FairEmail is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    FairEmail is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2021 by Marcel Bokhorst (M66B)
+*/
+
+import android.text.SpannableStringBuilder;
+
+public class SpannableStringBuilderEx extends SpannableStringBuilder {
+    public SpannableStringBuilderEx() {
+        super();
+    }
+
+    public SpannableStringBuilderEx(CharSequence text) {
+        super(text);
+    }
+
+    public SpannableStringBuilderEx(CharSequence text, int start, int end) {
+        super(text, start, end);
+    }
+
+    @Override
+    public void setSpan(Object what, int start, int end, int flags) {
+        try {
+            super.setSpan(what, start, end, flags);
+        } catch (Throwable ex) {
+            Log.e(ex);
+            /*
+                java.lang.IndexOutOfBoundsException: setSpan (-1 ... -1) starts before 0
+                        at android.text.SpannableStringInternal.checkRange(SpannableStringInternal.java:497)
+                        at android.text.SpannableStringInternal.setSpan(SpannableStringInternal.java:197)
+                        at android.text.SpannableStringInternal.setSpan(SpannableStringInternal.java:184)
+                        at android.text.SpannableString.setSpan(SpannableString.java:60)
+                        at android.text.Selection.setSelection(Selection.java:96)
+                        at android.text.Selection.setSelection(Selection.java:78)
+                        at android.widget.Editor$SelectionStartHandleView.updateSelection(Editor.java:7649)
+                        at android.widget.Editor$HandleView.positionAtCursorOffset(Editor.java:6886)
+                        at android.widget.Editor$HandleView.updatePosition(Editor.java:6920)
+                        at android.widget.Editor$PositionListener.onPreDraw(Editor.java:3660)
+                        at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:1093)
+                        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:3194)
+                        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:2046)
+                        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8349)
+                        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1058)
+                        at android.view.Choreographer.doCallbacks(Choreographer.java:880)
+                        at android.view.Choreographer.doFrame(Choreographer.java:813)
+                        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1043)
+                        at android.os.Handler.handleCallback(Handler.java:938)
+                        at android.os.Handler.dispatchMessage(Handler.java:99)
+                        at android.os.Looper.loop(Looper.java:236)
+                        at android.app.ActivityThread.main(ActivityThread.java:7861)
+             */
+        }
+    }
+}
diff --git a/app/src/main/java/eu/faircode/email/StyleHelper.java b/app/src/main/java/eu/faircode/email/StyleHelper.java
index 63925efc13..046e6aa160 100644
--- a/app/src/main/java/eu/faircode/email/StyleHelper.java
+++ b/app/src/main/java/eu/faircode/email/StyleHelper.java
@@ -146,7 +146,7 @@ public class StyleHelper {
                     int[] titles = new int[]{R.string.title_style_size_small, R.string.title_style_size_medium, R.string.title_style_size_large};
                     float[] sizes = new float[]{HtmlHelper.FONT_SMALL, 1.0f, HtmlHelper.FONT_LARGE};
                     for (int i = 0; i < ids.length; i++) {
-                        SpannableStringBuilder ssb = new SpannableStringBuilder(context.getString(titles[i]));
+                        SpannableStringBuilder ssb = new SpannableStringBuilderEx(context.getString(titles[i]));
                         ssb.setSpan(new RelativeSizeSpan(sizes[i]), 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
                         smenu.add(R.id.group_style_size, ids[i], i, ssb);
                     }
@@ -156,7 +156,7 @@ public class StyleHelper {
                 String[] fontNameValues = anchor.getResources().getStringArray(R.array.fontNameValues);
                 SubMenu smenu = popupMenu.getMenu().findItem(R.id.menu_style_font).getSubMenu();
                 for (int i = 0; i < fontNameNames.length; i++) {
-                    SpannableStringBuilder ssb = new SpannableStringBuilder(fontNameNames[i]);
+                    SpannableStringBuilder ssb = new SpannableStringBuilderEx(fontNameNames[i]);
                     ssb.setSpan(getTypefaceSpan(fontNameValues[i], context), 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
                     smenu.add(R.id.group_style_font, i, 0, ssb);
                 }