diff --git a/enzevalos_iphone/Base.lproj/Main.storyboard b/enzevalos_iphone/Base.lproj/Main.storyboard
index 5e8bac37d3d60d6a38ca66c97e249a1746e54eda..fea1ca5e10fc1e8835543bf4a99a9c3250dd9b68 100644
--- a/enzevalos_iphone/Base.lproj/Main.storyboard
+++ b/enzevalos_iphone/Base.lproj/Main.storyboard
@@ -540,16 +540,16 @@
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="4I7-Ir-fwz">
-                                            <rect key="frame" x="44" y="14" width="42" height="23"/>
+                                            <rect key="frame" x="44" y="14" width="42" height="22"/>
                                             <constraints>
-                                                <constraint firstAttribute="height" constant="22.5" id="29r-eG-9RK"/>
+                                                <constraint firstAttribute="height" constant="22" id="29r-eG-9RK"/>
                                             </constraints>
                                             <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                             <nil key="textColor"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" verticalHuggingPriority="251" text="Subject" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="TWB-SA-V9M">
-                                            <rect key="frame" x="44" y="44" width="58.5" height="22"/>
+                                            <rect key="frame" x="44" y="43" width="58.5" height="22"/>
                                             <constraints>
                                                 <constraint firstAttribute="height" constant="22" id="Gcf-vv-aPr"/>
                                             </constraints>
@@ -558,20 +558,20 @@
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" horizontalCompressionResistancePriority="753" verticalCompressionResistancePriority="753" text="Date" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="OLU-yz-VZh">
-                                            <rect key="frame" x="271.5" y="18.5" width="32.5" height="18"/>
+                                            <rect key="frame" x="271.5" y="17.5" width="32.5" height="18"/>
                                             <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                             <color key="textColor" cocoaTouchSystemColor="scrollViewTexturedBackgroundColor"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="nRP-yN-8GZ">
-                                            <rect key="frame" x="16" y="18.5" width="23" height="15"/>
+                                            <rect key="frame" x="16" y="18" width="23" height="15"/>
                                             <constraints>
                                                 <constraint firstAttribute="height" constant="15" id="TgY-wB-hul"/>
                                                 <constraint firstAttribute="width" constant="23" id="XaP-6s-BLv"/>
                                             </constraints>
                                         </imageView>
                                         <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" distribution="equalCentering" alignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="CZD-9d-nBt">
-                                            <rect key="frame" x="21" y="39" width="15" height="32.5"/>
+                                            <rect key="frame" x="21" y="38.5" width="15" height="31.5"/>
                                             <subviews>
                                                 <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="lfd-QR-eFB">
                                                     <rect key="frame" x="0.0" y="0.0" width="15" height="15"/>
@@ -581,7 +581,7 @@
                                                     </constraints>
                                                 </imageView>
                                                 <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="sfv-2Q-95I">
-                                                    <rect key="frame" x="0.0" y="17.5" width="15" height="15"/>
+                                                    <rect key="frame" x="0.0" y="16.5" width="15" height="15"/>
                                                     <constraints>
                                                         <constraint firstAttribute="height" constant="15" id="SmT-9e-ovi"/>
                                                         <constraint firstAttribute="width" constant="15" id="uKU-PK-flD"/>
@@ -590,7 +590,7 @@
                                             </subviews>
                                         </stackView>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="249" verticalHuggingPriority="249" horizontalCompressionResistancePriority="749" verticalCompressionResistancePriority="749" text="Body" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="aMi-fS-0nq">
-                                            <rect key="frame" x="110" y="49" width="153" height="16"/>
+                                            <rect key="frame" x="110" y="48" width="153" height="16"/>
                                             <fontDescription key="fontDescription" type="system" pointSize="13"/>
                                             <color key="textColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
                                             <nil key="highlightedColor"/>
@@ -632,6 +632,13 @@
                             <outlet property="delegate" destination="eRp-By-lS3" id="uzM-L0-alX"/>
                         </connections>
                     </tableView>
+                    <toolbarItems>
+                        <barButtonItem style="plain" systemItem="flexibleSpace" id="6J0-Tr-Tgj"/>
+                        <barButtonItem enabled="NO" title="last Update" id="ZNc-Kc-oC1">
+                            <color key="tintColor" white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                        </barButtonItem>
+                        <barButtonItem style="plain" systemItem="flexibleSpace" id="LhP-ZB-o4i"/>
+                    </toolbarItems>
                     <navigationItem key="navigationItem" id="qTG-y6-efi">
                         <barButtonItem key="rightBarButtonItem" title="Über uns" id="vnz-ap-Ddb">
                             <connections>
@@ -639,11 +646,13 @@
                             </connections>
                         </barButtonItem>
                     </navigationItem>
+                    <simulatedToolbarMetrics key="simulatedBottomBarMetrics"/>
                     <refreshControl key="refreshControl" opaque="NO" multipleTouchEnabled="YES" contentMode="center" enabled="NO" contentHorizontalAlignment="center" contentVerticalAlignment="center" id="i7r-Oq-y5T">
                         <rect key="frame" x="0.0" y="0.0" width="1000" height="1000"/>
                         <autoresizingMask key="autoresizingMask"/>
                     </refreshControl>
                     <connections>
+                        <outlet property="lastUpdateButton" destination="ZNc-Kc-oC1" id="ZUS-YO-vnu"/>
                         <segue destination="TFs-eK-jti" kind="show" identifier="showInboxSegue" id="Qjs-MH-bHU"/>
                         <segue destination="Ouw-WD-EV6" kind="show" identifier="readFolderMailSegue" id="6Ug-AV-lba"/>
                     </connections>
@@ -1848,8 +1857,8 @@ Um deine sicheren E-Mails auch auf einem anderen Gerät lesen zu können, muss d
         </scene>
     </scenes>
     <inferredMetricsTieBreakers>
-        <segue reference="rhW-cI-4c4"/>
-        <segue reference="hSn-Um-hji"/>
+        <segue reference="3Wb-uL-BB5"/>
+        <segue reference="td8-VW-Wrt"/>
         <segue reference="btx-4o-o0r"/>
         <segue reference="TgN-rB-esa"/>
         <segue reference="6Ug-AV-lba"/>
diff --git a/enzevalos_iphone/FolderViewController.swift b/enzevalos_iphone/FolderViewController.swift
index 4dc1eb8783e3ac0748c1d1bfef8551195613cf1e..bb878f303ac96665c0ab7c3f4e967e033605c1e8 100644
--- a/enzevalos_iphone/FolderViewController.swift
+++ b/enzevalos_iphone/FolderViewController.swift
@@ -15,9 +15,22 @@ class FolderViewController: UITableViewController {
     var isFirstFolderViewController = true
     var presentedFolder: Folder? = nil
 
+    @IBOutlet weak var lastUpdateButton: UIBarButtonItem!
+    var lastUpdateLabel = UILabel(frame: CGRect.zero)
+    var lastUpdateText: String? {
+        didSet {
+            lastUpdateLabel.text = lastUpdateText
+            lastUpdateLabel.sizeToFit()
+        }
+    }
+    
+    var lastUpdate: Date? = Date()
+    let dateFormatter = DateFormatter()
+    
     override func viewDidLoad() {
         self.refreshControl?.addTarget(self, action: #selector(FolderViewController.refresh), for: UIControlEvents.valueChanged)
         self.refreshControl?.attributedTitle = NSAttributedString(string: NSLocalizedString("PullToRefresh", comment: "Pull to refresh"))
+        lastUpdateText = NSLocalizedString("Updating", comment: "Getting new data")
 
         if isFirstFolderViewController {
             folders = DataHandler.handler.allRootFolders.sorted().filter { $0.path != UserManager.backendInboxFolderPath }
@@ -34,8 +47,19 @@ class FolderViewController: UITableViewController {
         }
         NotificationCenter.default.addObserver(forName: Notification.Name.NSManagedObjectContextDidSave, object: nil, queue: nil, using: {
             [weak self] _ in
+            self?.lastUpdate = Date()
             self?.tableView.reloadData()
         })
+        
+        dateFormatter.locale = Locale.current
+        dateFormatter.timeStyle = .medium
+        
+        lastUpdateLabel.sizeToFit()
+        lastUpdateLabel.backgroundColor = UIColor.clear
+        lastUpdateLabel.textAlignment = .center
+        lastUpdateLabel.font = UIFont.systemFont(ofSize: 13)
+        lastUpdateLabel.textColor = UIColor.black
+        lastUpdateButton.customView = lastUpdateLabel
     }
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
@@ -164,6 +188,7 @@ class FolderViewController: UITableViewController {
     }
 
     func refresh() {
+        lastUpdateText = NSLocalizedString("Updating", comment: "Getting new data")
         if let thisFolder = presentedFolder {
             refreshControl?.beginRefreshing()
             AppDelegate.getAppDelegate().mailHandler.updateFolder(folder: thisFolder, completionCallback: endRefreshing(_:))
@@ -181,6 +206,7 @@ class FolderViewController: UITableViewController {
         }
         tableView.reloadData()
         refreshControl?.endRefreshing()
+        lastUpdateText = lastUpdate != nil ? "\(NSLocalizedString("LastUpdate", comment: "When the last update occured")): \(dateFormatter.string(from: lastUpdate!))" : NSLocalizedString("NeverUpdated", comment: "No internet connection since last launch")
     }
    
     func getImage(for path: String) -> UIImage {
diff --git a/enzevalos_iphone/Logger.swift b/enzevalos_iphone/Logger.swift
index 6306b9e8986f7f05665f12055ba86c6d39025249..56b0e52ec17996e3214a5d35109f1bbe1290d490 100644
--- a/enzevalos_iphone/Logger.swift
+++ b/enzevalos_iphone/Logger.swift
@@ -53,7 +53,7 @@ class Logger {
         }
     }
 
-    static func log(setupStudy studypara: [StudyParamter:Int], alreadyRegistered: Bool, bitcoin: Bool) {
+    static func log(setupStudy studypara: [StudyParamter:Int], alreadyRegistered: Bool) {
         if !logging {
             return
         }
@@ -63,7 +63,6 @@ class Logger {
             event[para.name] = value
         }
         event["alreadyRegistered"] = alreadyRegistered
-        event["bitcoinMailReceived"] = bitcoin
         saveToDisk(json: dictToJSON(fields: event))
         sendCheck()
     }
diff --git a/enzevalos_iphone/MailHandler.swift b/enzevalos_iphone/MailHandler.swift
index 4cc80c101260dcf563a6f0a1fc2d40d82c942fc1..4f5b4ea8d137e5badc7bd3cb736b06110a986215 100644
--- a/enzevalos_iphone/MailHandler.swift
+++ b/enzevalos_iphone/MailHandler.swift
@@ -929,9 +929,6 @@ class MailHandler {
             }
 
             if let header = header, let from = header.from, let date = header.date {
-                if StudySettings.studyMode && from.mailbox.lowercased().contains("bitcoin.de") {
-                    StudySettings.bitcoinMails = true
-                }
                 let mail = DataHandler.handler.createMail(UInt64(message.uid), sender: from, receivers: rec, cc: cc, time: date, received: true, subject: header.subject ?? "", body: body, flags: message.flags, record: record, autocrypt: autocrypt, decryptedData: dec, folderPath: folderPath, secretKey: secretKey, references: references, mailagent: userAgent, messageID: msgID)
                 if let m = mail {
                     let pgp = SwiftPGP()
@@ -1111,7 +1108,20 @@ class MailHandler {
                         op?.start {
                             (err, vanished) -> Void in
                             guard err == nil else {
-                                self.errorhandling(error: err, originalCall: {self.move(mails: mails, from: from, to: to)}, completionCallback: nil)
+                                self.errorhandling(error: err, originalCall: {self.move(mails: mails, from: from, to: to)}, completionCallback: { err in
+                                    guard err != nil else {
+                                        return
+                                    }
+                                    let op = self.IMAPSession.copyMessagesOperation(withFolder: from, uids: uids, destFolder: to)
+                                    op?.start({error, _ in
+                                        guard error == nil else {
+                                            return
+                                        }
+                                        uids.enumerate({uid in
+                                            self.addFlag(uid, flags: MCOMessageFlag.deleted, folder: from)
+                                        })
+                                    })
+                                })
                                 return
                             }
                         }
diff --git a/enzevalos_iphone/SendViewController+Invitation.swift b/enzevalos_iphone/SendViewController+Invitation.swift
index bec4c05f1d1dfaf8d121e09411ae7dab8c1e4252..cafe1d78b0a18b8f3d3d29ab9a8cc45883190b50 100644
--- a/enzevalos_iphone/SendViewController+Invitation.swift
+++ b/enzevalos_iphone/SendViewController+Invitation.swift
@@ -270,12 +270,12 @@ extension SendViewController {
     /// - Parameter textView: that changed it's selected Text
     func updateMarkedText(for textView: UITextView) {
 
-        guard (self.isEligibleForInvitation() == true) else {
-            self.removeAllInvitationMarks()
+        guard isEligibleForInvitation() else {
+            removeAllInvitationMarks()
             return
         }
 
-        UIMenuController.shared.menuItems = self.menuControllerItems(for: textView)
+        UIMenuController.shared.menuItems = menuControllerItems(for: textView)
     }
 
     func textViewDidEndEditing(_ textView: UITextView) {
@@ -364,6 +364,10 @@ extension SendViewController: UITextViewDelegate {
         self.updateMarkedText(for: textView)
     }
 
+    func textViewDidBeginEditing(_ textView: UITextView) {
+        self.updateMarkedText(for: textView)
+    }
+    
     func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
 
         self.textChanged(inRange: range, with: text)
diff --git a/enzevalos_iphone/SendViewController.swift b/enzevalos_iphone/SendViewController.swift
index 46ebfc251b9ae4d8967105c73b6391ecc4976277..6929a7f5de7ddaf6ad818daaba64a60fcac362b7 100644
--- a/enzevalos_iphone/SendViewController.swift
+++ b/enzevalos_iphone/SendViewController.swift
@@ -130,6 +130,7 @@ class SendViewController: UIViewController {
         toCollectionviewHeight.constant = 0
         ccText.delegate = dataDelegate
         ccText.dataSource = dataDelegate
+        ccText.inputTextFieldKeyboardType = UIKeyboardType.emailAddress
         ccText.toLabelText = NSLocalizedString("Cc", comment: "copy label") + ": "
         ccText.setColorScheme(self.view.tintColor)
         ccCollectionview.delegate = collectionDataDelegate
@@ -178,7 +179,6 @@ class SendViewController: UIViewController {
 
         textViewLeading.constant = seperator3Leading.constant - 4
 
-        ccText.inputTextFieldKeyboardType = UIKeyboardType.emailAddress
         scrollview.clipsToBounds = true
 
         tableview.delegate = tableDataDelegate
diff --git a/enzevalos_iphone/StudySettings.swift b/enzevalos_iphone/StudySettings.swift
index 01b74b8249df10eb1678fb6c1150b1322d8fe399..179ddbfed417f2cb622046acbd3044ccc0e31949 100644
--- a/enzevalos_iphone/StudySettings.swift
+++ b/enzevalos_iphone/StudySettings.swift
@@ -165,7 +165,7 @@ class StudySettings {
         
         
 //        Logger.queue.async(flags: .barrier) {
-        Logger.log(setupStudy: parameters, alreadyRegistered: !presentFirstQuestionaireMail, bitcoin: bitcoinMails)
+        Logger.log(setupStudy: parameters, alreadyRegistered: !presentFirstQuestionaireMail)
 //        }
         
     }
diff --git a/enzevalos_iphone/en.lproj/Localizable.strings b/enzevalos_iphone/en.lproj/Localizable.strings
index 7bd73e1a87a0372830927d2cb2971b55f4df1241..c8c42edbff4c739e6b53c63177cefc3062f7bb0f 100644
--- a/enzevalos_iphone/en.lproj/Localizable.strings
+++ b/enzevalos_iphone/en.lproj/Localizable.strings
@@ -97,8 +97,8 @@
 "Secure" = "Secure";
 "Send" = "Send";
 "SendError" = "An error occured"; //mehr spezifizieren?
-"SendInsecureInfo" = "This Mail would be send insecurely to all orange contacts. So everybody could read and manipulate it. You could invite them to use Enzevalos to communicate securely.";
-"SendInsecureInfoAll" = "This Mail would be send insecurely to all contacts. So everybody could read and manipulate it. You could invite them to use Enzevalos to communicate securely.";
+"SendInsecureInfo" = "This Mail would be send insecurely to all orange contacts. So everybody could read and manipulate it. You could invite them to use Letterbox to communicate securely.";
+"SendInsecureInfoAll" = "This Mail would be send insecurely to all contacts. So everybody could read and manipulate it. You could invite them to use Letterbox to communicate securely.";
 "SendSecureInfo" = "Congratulations! This Mail would be send securely. It is impossible for anybody to read or manipulate it.";
 "SendSuccess" = "Sent successfully";
 "Sent" = "Sent";
@@ -152,7 +152,7 @@
 "inviteContacts" = "Invite insecure Contacts";
 "inviteContacts.Censor" = "Show explanation";
 "inviteSubject" = "Lets use secure email!";
-"inviteText" = "Hey there!\n\nThere is this new App called Enzevalos which makes it really easy to communicate encrypted over email.\n\nI would love for you to try it!\n\nBest regards!";
+"inviteText" = "Hey there!\n\nThere is this new App called Letterbox which makes it really easy to communicate encrypted over email.\n\nI would love for you to try it!\n\nBest regards!";
 "noName" = "NO NAME";
 "you" = "Your Tray";
 "thisIsYou" = "Emails you sent yourself are collected here";