diff --git a/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt b/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt
index 911bcb6..7fe1276 100644
--- a/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt
@@ -63,7 +63,7 @@ class ApiService {
         }
         if (body != null) {
             builder
-                .addHeader("X-Message", message)
+                .addHeader("X-Message", message.replace("\n", "\\n"))
                 .put(body)
         } else {
             builder.put(message.toRequestBody())
diff --git a/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt b/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt
index 7968381..ccdab8a 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt
@@ -68,9 +68,9 @@ class DetailAdapter(private val activity: Activity, private val repository: Repo
         private val tagsView: TextView = itemView.findViewById(R.id.detail_item_tags_text)
         private val menuButton: ImageButton = itemView.findViewById(R.id.detail_item_menu_button)
         private val attachmentImageView: ImageView = itemView.findViewById(R.id.detail_item_attachment_image)
-        private val attachmentBoxView: View = itemView.findViewById(R.id.share_content_file_box)
-        private val attachmentIconView: ImageView = itemView.findViewById(R.id.share_content_file_icon)
-        private val attachmentInfoView: TextView = itemView.findViewById(R.id.share_content_file_info)
+        private val attachmentBoxView: View = itemView.findViewById(R.id.detail_item_attachment_file_box)
+        private val attachmentIconView: ImageView = itemView.findViewById(R.id.detail_item_attachment_file_icon)
+        private val attachmentInfoView: TextView = itemView.findViewById(R.id.detail_item_attachment_file_info)
 
         fun bind(notification: Notification) {
             this.notification = notification
diff --git a/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt b/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt
index 8dc0b30..5612f85 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt
@@ -15,7 +15,6 @@ import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.textfield.TextInputLayout
 import io.heckel.ntfy.R
 import io.heckel.ntfy.app.Application
-import io.heckel.ntfy.db.Subscription
 import io.heckel.ntfy.msg.ApiService
 import io.heckel.ntfy.util.*
 import kotlinx.coroutines.Dispatchers
@@ -109,26 +108,32 @@ class ShareActivity : AppCompatActivity() {
             validateInput()
         }
 
-        // Populate "last topics"
-        val reversedLastTopics = repository.getLastShareTopics().reversed()
-        lastTopicsList.adapter = TopicAdapter(reversedLastTopics) { topicUrl ->
-            try {
-                val (baseUrl, topic) = splitTopicUrl(topicUrl)
-                topicText.text = topic
-                if (baseUrl == appBaseUrl) {
-                    useAnotherServerCheckbox.isChecked = false
-                } else {
-                    useAnotherServerCheckbox.isChecked = true
-                    baseUrlText.setText(baseUrl)
-                }
-            } catch (e: Exception) {
-                Log.w(TAG, "Invalid topicUrl $topicUrl", e)
-            }
-        }
-
-        // Add baseUrl auto-complete behavior
+        // Things that need the database
         lifecycleScope.launch(Dispatchers.IO) {
-            baseUrls = repository.getSubscriptions()
+            // Populate "suggested topics"
+            val subscriptions = repository.getSubscriptions()
+            val lastShareTopics = repository.getLastShareTopics()
+            val subscribedTopics = subscriptions
+                .map { topicUrl(it.baseUrl, it.topic) }
+                .subtract(lastShareTopics.toSet())
+            val suggestedTopics = lastShareTopics.reversed() + subscribedTopics
+            lastTopicsList.adapter = TopicAdapter(suggestedTopics) { topicUrl ->
+                try {
+                    val (baseUrl, topic) = splitTopicUrl(topicUrl)
+                    topicText.text = topic
+                    if (baseUrl == appBaseUrl) {
+                        useAnotherServerCheckbox.isChecked = false
+                    } else {
+                        useAnotherServerCheckbox.isChecked = true
+                        baseUrlText.setText(baseUrl)
+                    }
+                } catch (e: Exception) {
+                    Log.w(TAG, "Invalid topicUrl $topicUrl", e)
+                }
+            }
+
+            // Add baseUrl auto-complete behavior
+            baseUrls = subscriptions
                 .groupBy { it.baseUrl }
                 .map { it.key }
                 .filterNot { it == appBaseUrl }
@@ -136,9 +141,9 @@ class ShareActivity : AppCompatActivity() {
             val activity = this@ShareActivity
             activity.runOnUiThread {
                 initBaseUrlDropdown(baseUrls, baseUrlText, baseUrlLayout)
-                useAnotherServerCheckbox.isChecked = if (reversedLastTopics.isNotEmpty()) {
+                useAnotherServerCheckbox.isChecked = if (suggestedTopics.isNotEmpty()) {
                     try {
-                        val (baseUrl, _) = splitTopicUrl(reversedLastTopics.first())
+                        val (baseUrl, _) = splitTopicUrl(suggestedTopics.first())
                         baseUrl != appBaseUrl
                     } catch (_: Exception) {
                         false
diff --git a/app/src/main/res/layout/activity_share.xml b/app/src/main/res/layout/activity_share.xml
index 03f2f43..2bc1850 100644
--- a/app/src/main/res/layout/activity_share.xml
+++ b/app/src/main/res/layout/activity_share.xml
@@ -130,7 +130,7 @@
                 android:layout_height="wrap_content"
                 android:paddingTop="5dp"
                 android:paddingBottom="3dp"
-                android:text="@string/share_previous_topics"
+                android:text="@string/share_suggested_topics"
                 android:textAlignment="viewStart"
                 android:textAppearance="@style/TextAppearance.AppCompat.Medium"
                 app:layout_constraintTop_toBottomOf="@id/share_base_url_layout" app:layout_constraintStart_toStartOf="parent" android:layout_marginTop="13dp"/>
diff --git a/app/src/main/res/layout/fragment_detail_item.xml b/app/src/main/res/layout/fragment_detail_item.xml
index c68c9da..1a94e9d 100644
--- a/app/src/main/res/layout/fragment_detail_item.xml
+++ b/app/src/main/res/layout/fragment_detail_item.xml
@@ -87,13 +87,13 @@
             app:layout_constraintStart_toStartOf="parent" android:layout_marginStart="10dp"
             app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="10dp"
             app:layout_constraintTop_toBottomOf="@id/detail_item_attachment_image"
-            app:layout_constraintBottom_toTopOf="@id/share_content_file_box"
+            app:layout_constraintBottom_toTopOf="@id/detail_item_attachment_file_box"
             app:layout_constraintHorizontal_bias="0.0" android:layout_marginTop="2dp"
     />
     <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content" app:layout_constraintTop_toBottomOf="@id/detail_item_tags_text"
-            android:id="@+id/share_content_file_box" app:layout_constraintStart_toStartOf="parent"
+            android:id="@+id/detail_item_attachment_file_box" app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent" android:layout_marginStart="10dp" android:layout_marginEnd="10dp"
             app:layout_constraintBottom_toTopOf="@id/detail_item_padding_bottom"
             android:visibility="visible" android:layout_marginTop="2dp"
@@ -102,27 +102,27 @@
         <ImageView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content" app:srcCompat="@drawable/ic_cancel_gray_24dp"
-                android:id="@+id/share_content_file_icon" app:layout_constraintStart_toStartOf="parent"
+                android:id="@+id/detail_item_attachment_file_icon" app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintEnd_toStartOf="@+id/share_content_file_info" android:layout_marginEnd="5dp"
+                app:layout_constraintEnd_toStartOf="@+id/detail_item_attachment_file_info" android:layout_marginEnd="5dp"
                 app:layout_constraintBottom_toBottomOf="parent"
         />
         <TextView
                 android:text="attachment.jpg\n58 MB, not downloaded, expires 1/2/2022 10:30 PM"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:id="@+id/share_content_file_info"
+                android:id="@+id/detail_item_attachment_file_info"
                 android:textColor="?android:attr/textColorPrimary"
                 android:textAppearance="@style/TextAppearance.AppCompat.Small"
-                app:layout_constraintStart_toEndOf="@+id/share_content_file_icon"
+                app:layout_constraintStart_toEndOf="@+id/detail_item_attachment_file_icon"
                 app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintTop_toTopOf="@+id/share_content_file_icon"
-                app:layout_constraintBottom_toBottomOf="@+id/share_content_file_icon"/>
+                app:layout_constraintTop_toTopOf="@+id/detail_item_attachment_file_icon"
+                app:layout_constraintBottom_toBottomOf="@+id/detail_item_attachment_file_icon"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
     <TextView
             android:layout_width="match_parent"
             android:layout_height="5dp" android:id="@+id/detail_item_padding_bottom"
             app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/share_content_file_box"/>
+            app:layout_constraintTop_toBottomOf="@id/detail_item_attachment_file_box"/>
 </androidx.constraintlayout.widget.ConstraintLayout>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d32be3e..b95d6a2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -196,7 +196,7 @@
     <string name="share_content_file_text">A file was shared with you</string>
     <string name="share_content_file_error">Cannot read file infos: %1$s</string>
     <string name="share_topic_title">Share to</string>
-    <string name="share_previous_topics">Last topics</string>
+    <string name="share_suggested_topics">Suggested topics</string>
     <string name="share_successful">Message successfully published</string>
 
     <!-- Notification dialog -->