diff --git a/app/src/main/java/eu/faircode/email/ActivityEML.java b/app/src/main/java/eu/faircode/email/ActivityEML.java
index c88318d62c..d6c683f2af 100644
--- a/app/src/main/java/eu/faircode/email/ActivityEML.java
+++ b/app/src/main/java/eu/faircode/email/ActivityEML.java
@@ -24,6 +24,8 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Typeface;
 import android.net.Uri;
 import android.os.Bundle;
 import android.text.Spanned;
@@ -41,6 +43,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.Group;
+import androidx.preference.PreferenceManager;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -87,6 +90,9 @@ public class ActivityEML extends ActivityBase {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        boolean monospaced = prefs.getBoolean("monospaced", false);
+
         getSupportActionBar().setSubtitle("EML");
         setContentView(R.layout.activity_eml);
 
@@ -108,6 +114,7 @@ public class ActivityEML extends ActivityBase {
         LinearLayoutManager llm = new LinearLayoutManager(this);
         rvAttachment.setLayoutManager(llm);
 
+        tvBody.setTypeface(monospaced ? Typeface.MONOSPACE : Typeface.DEFAULT);
         tvBody.setMovementMethod(LinkMovementMethod.getInstance());
 
         vSeparatorAttachments.setVisibility(View.GONE);
diff --git a/app/src/main/java/eu/faircode/email/ActivitySignature.java b/app/src/main/java/eu/faircode/email/ActivitySignature.java
index ead326860a..9235e9a5aa 100644
--- a/app/src/main/java/eu/faircode/email/ActivitySignature.java
+++ b/app/src/main/java/eu/faircode/email/ActivitySignature.java
@@ -23,6 +23,8 @@ import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
@@ -44,6 +46,7 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
+import androidx.preference.PreferenceManager;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.google.android.material.snackbar.Snackbar;
@@ -64,6 +67,9 @@ public class ActivitySignature extends ActivityBase {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        boolean monospaced = prefs.getBoolean("monospaced", false);
+
         getSupportActionBar().setSubtitle(getString(R.string.title_edit_signature));
 
         LayoutInflater inflater = LayoutInflater.from(this);
@@ -74,6 +80,8 @@ public class ActivitySignature extends ActivityBase {
         style_bar = findViewById(R.id.style_bar);
         bottom_navigation = findViewById(R.id.bottom_navigation);
 
+        etText.setTypeface(monospaced ? Typeface.MONOSPACE : Typeface.DEFAULT);
+
         etText.setSelectionListener(new EditTextCompose.ISelection() {
             @Override
             public void onSelected(boolean selection) {
diff --git a/app/src/main/java/eu/faircode/email/FragmentAnswer.java b/app/src/main/java/eu/faircode/email/FragmentAnswer.java
index 52783eab3f..35c68c308d 100644
--- a/app/src/main/java/eu/faircode/email/FragmentAnswer.java
+++ b/app/src/main/java/eu/faircode/email/FragmentAnswer.java
@@ -23,6 +23,8 @@ import android.app.Dialog;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
@@ -45,6 +47,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.Group;
+import androidx.preference.PreferenceManager;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.google.android.material.snackbar.Snackbar;
@@ -89,6 +92,9 @@ public class FragmentAnswer extends FragmentBase {
     @Override
     @Nullable
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        boolean monospaced = prefs.getBoolean("monospaced", false);
+
         setSubtitle(R.string.title_answer_caption);
         setHasOptionsMenu(true);
 
@@ -108,6 +114,8 @@ public class FragmentAnswer extends FragmentBase {
         pbWait = view.findViewById(R.id.pbWait);
         grpReady = view.findViewById(R.id.grpReady);
 
+        etText.setTypeface(monospaced ? Typeface.MONOSPACE : Typeface.DEFAULT);
+
         etText.setSelectionListener(new EditTextCompose.ISelection() {
             @Override
             public void onSelected(boolean selection) {
diff --git a/app/src/main/java/eu/faircode/email/FragmentCompose.java b/app/src/main/java/eu/faircode/email/FragmentCompose.java
index 8b92671327..2a9c93a155 100644
--- a/app/src/main/java/eu/faircode/email/FragmentCompose.java
+++ b/app/src/main/java/eu/faircode/email/FragmentCompose.java
@@ -626,6 +626,8 @@ public class FragmentCompose extends FragmentBase {
             }
         });
 
+        tvSignature.setTypeface(monospaced ? Typeface.MONOSPACE : Typeface.DEFAULT);
+
         cbSignature.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
diff --git a/app/src/main/res/layout/activity_eml.xml b/app/src/main/res/layout/activity_eml.xml
index 5eeb1a0a6d..97feec6e49 100644
--- a/app/src/main/res/layout/activity_eml.xml
+++ b/app/src/main/res/layout/activity_eml.xml
@@ -236,7 +236,6 @@
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="3dp"
-                android:fontFamily="monospace"
                 android:text="Body"
                 android:textAppearance="@style/TextAppearance.AppCompat.Small"
                 android:textIsSelectable="true"
diff --git a/app/src/main/res/layout/activity_signature.xml b/app/src/main/res/layout/activity_signature.xml
index 43eee26224..c734d1dbfa 100644
--- a/app/src/main/res/layout/activity_signature.xml
+++ b/app/src/main/res/layout/activity_signature.xml
@@ -17,7 +17,6 @@
             android:layout_height="0dp"
             android:layout_margin="6dp"
             android:background="@null"
-            android:fontFamily="monospace"
             android:gravity="top"
             android:hint="@string/title_edit_signature_text"
             android:imeOptions="actionDone"
diff --git a/app/src/main/res/layout/fragment_answer.xml b/app/src/main/res/layout/fragment_answer.xml
index 8935ba539a..347fbbefb3 100644
--- a/app/src/main/res/layout/fragment_answer.xml
+++ b/app/src/main/res/layout/fragment_answer.xml
@@ -98,7 +98,6 @@
                     android:layout_height="wrap_content"
                     android:layout_margin="6dp"
                     android:background="@null"
-                    android:fontFamily="monospace"
                     android:gravity="top"
                     android:hint="@string/title_answer_text"
                     android:imeOptions="actionDone"
diff --git a/app/src/main/res/layout/fragment_compose.xml b/app/src/main/res/layout/fragment_compose.xml
index b7c48d0bd1..027676da59 100644
--- a/app/src/main/res/layout/fragment_compose.xml
+++ b/app/src/main/res/layout/fragment_compose.xml
@@ -275,7 +275,6 @@
                     android:layout_marginTop="6dp"
                     android:layout_marginEnd="6dp"
                     android:background="@null"
-                    android:fontFamily="monospace"
                     android:gravity="top"
                     android:hint="@string/title_body_hint"
                     android:imeOptions="actionNone|flagNoEnterAction"
@@ -314,7 +313,6 @@
                     android:layout_marginStart="6dp"
                     android:layout_marginTop="6dp"
                     android:layout_marginEnd="6dp"
-                    android:fontFamily="monospace"
                     android:minHeight="75dp"
                     android:text="Signature"
                     android:textAppearance="@style/TextAppearance.AppCompat.Small"
diff --git a/app/src/main/res/layout/include_message_body.xml b/app/src/main/res/layout/include_message_body.xml
index 175b038902..408c0cf689 100644
--- a/app/src/main/res/layout/include_message_body.xml
+++ b/app/src/main/res/layout/include_message_body.xml
@@ -91,7 +91,6 @@
         android:layout_marginStart="6dp"
         android:layout_marginTop="3dp"
         android:layout_marginEnd="6dp"
-        android:fontFamily="monospace"
         android:hyphenationFrequency="none"
         android:minHeight="60dp"
         android:paddingBottom="6dp"
diff --git a/app/src/main/res/layout/include_message_compact.xml b/app/src/main/res/layout/include_message_compact.xml
index 1fcee0fbee..d4c41d8adf 100644
--- a/app/src/main/res/layout/include_message_compact.xml
+++ b/app/src/main/res/layout/include_message_compact.xml
@@ -360,7 +360,6 @@
         android:layout_marginStart="6dp"
         android:layout_marginEnd="6dp"
         android:ellipsize="end"
-        android:fontFamily="monospace"
         android:text="Preview"
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
         android:textStyle="italic"
diff --git a/app/src/main/res/layout/include_message_normal.xml b/app/src/main/res/layout/include_message_normal.xml
index a3a4251e6b..bfb68f3e61 100644
--- a/app/src/main/res/layout/include_message_normal.xml
+++ b/app/src/main/res/layout/include_message_normal.xml
@@ -358,7 +358,6 @@
         android:layout_marginTop="3dp"
         android:layout_marginEnd="6dp"
         android:ellipsize="end"
-        android:fontFamily="monospace"
         android:text="Preview"
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
         android:textStyle="italic"