Expose Postfix's recipient_canonical_maps through web UI

data/Dockerfiles/postfix/postfix.sh

@@ -145,6 +145,16 @@ query = SELECT bcc_dest FROM bcc_maps
     AND active='1';
 EOF
 
+cat <<EOF > /opt/postfix/conf/sql/mysql_recipient_canonical_maps.cf
+user = ${DBUSER}
+password = ${DBPASS}
+hosts = mysql
+dbname = ${DBNAME}
+query = SELECT new_dest FROM recipient_maps
+  WHERE old_dest='%s'
+    AND active='1';
+EOF
+
 cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_domains_maps.cf
 user = ${DBUSER}
 password = ${DBPASS}

data/conf/postfix/main.cf

@@ -45,6 +45,7 @@ proxy_read_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_sender_acl.cf,
   proxy:mysql:/opt/postfix/conf/sql/mysql_tls_enforce_in_policy.cf,
   proxy:mysql:/opt/postfix/conf/sql/mysql_sender_bcc_maps.cf,
   proxy:mysql:/opt/postfix/conf/sql/mysql_recipient_bcc_maps.cf,
+  proxy:mysql:/opt/postfix/conf/sql/mysql_recipient_canonical_maps.cf,
   $local_recipient_maps,
   $mydestination,
   $virtual_alias_maps,
@@ -108,6 +109,8 @@ virtual_mailbox_base = /var/vmail/
 virtual_mailbox_domains = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_domains_maps.cf
 recipient_bcc_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_recipient_bcc_maps.cf
 sender_bcc_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sender_bcc_maps.cf
+recipient_canonical_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_recipient_canonical_maps.cf
+recipient_canonical_classes = envelope_recipient
 virtual_mailbox_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_virtual_mailbox_maps.cf
 virtual_minimum_uid = 104
 virtual_transport = lmtp:inet:dovecot:24

data/web/edit.php

@@ -654,6 +654,43 @@ if (isset($_SESSION['mailcow_cc_role'])) {
         <?php
         }
     }
+    elseif (isset($_GET['recipient_map']) && !empty($_GET["recipient_map"])) {
+        $map = intval($_GET["recipient_map"]);
+        $result = recipient_map('details', $map);
+        if (!empty($result)) {
+          ?>
+          <h4>Recipient map: <?=$result['recipient_map_old'];?></h4>
+          <br />
+          <form class="form-horizontal" data-id="editrecipient_map" role="form" method="post">
+            <input type="hidden" value="0" name="active">
+            <div class="form-group">
+              <label class="control-label col-sm-2" for="recipient_map_new">New destination</label>
+              <div class="col-sm-10">
+                <textarea id="recipient_map_new" class="form-control" autocapitalize="none" autocorrect="off" rows="10" id="recipient_map_new" name="recipient_map_new" required><?=$result['recipient_map_new'];?></textarea>
+                <small>Recipient map destinations can only be valid email addresses. Separated by whitespace, semicolon, new line or comma.</small>
+              </div>
+            </div>
+            <div class="form-group">
+              <div class="col-sm-offset-2 col-sm-10">
+                <div class="checkbox">
+                <label><input type="checkbox" value="1" name="active" <?php if (isset($result['active_int']) && $result['active_int']=="1") { echo "checked"; }; ?>> <?=$lang['edit']['active'];?></label>
+                </div>
+              </div>
+            </div>
+            <div class="form-group">
+              <div class="col-sm-offset-2 col-sm-10">
+                <button class="btn btn-success" id="edit_selected" data-id="editrecipient_map" data-item="<?=$map;?>" data-api-url='edit/recipient_map' data-api-attr='{}' href="#"><?=$lang['edit']['save'];?></button>
+              </div>
+            </div>
+          </form>
+        <?php
+        }
+        else {
+        ?>
+          <div class="alert alert-info" role="alert"><?=$lang['info']['no_action'];?></div>
+        <?php
+        }
+    }
   }
   if ($_SESSION['mailcow_cc_role'] == "admin"  || $_SESSION['mailcow_cc_role'] == "domainadmin" || $_SESSION['mailcow_cc_role'] == "user") {
     if (isset($_GET['syncjob']) &&

data/web/inc/functions.address_rewriting.inc.php

@@ -290,3 +290,236 @@ function bcc($_action, $_data = null, $attr = null) {
     break;
   }
 }
+
+function recipient_map($_action, $_data = null, $attr = null) {
+	global $pdo;
+	global $lang;
+  if ($_SESSION['mailcow_cc_role'] != "admin") {
+    return false;
+  }
+  switch ($_action) {
+    case 'add':
+      $old_dest = strtolower(trim($_data['recipient_map_old']));
+      $new_dest = array_map('trim', preg_split( "/( |,|;|\n)/", $_data['recipient_map_new']));
+      $active = intval($_data['active']);
+      if (empty($new_dest)) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'Recipient map destination cannot be empty'
+        );
+        return false;
+      }
+      if (is_valid_domain_name($old_dest)) {
+        $old_dest_sane = '@' . idn_to_ascii($old_dest);
+      }
+      elseif (filter_var($old_dest, FILTER_VALIDATE_EMAIL)) {
+        $old_dest_sane = $old_dest;
+      }
+      else {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'Invalid original recipient specified: ' . $old_dest
+        );
+        return false;
+      }
+      foreach ($new_dest as &$new_dest_e) {
+        if (!filter_var($new_dest_e, FILTER_VALIDATE_EMAIL)) {
+          $new_dest_e = null;;
+        }
+        $new_dest_e = strtolower($new_dest_e);
+      }
+      $new_dest = array_filter($new_dest);
+      $new_dest = implode(",", $new_dest);
+      if (empty($new_dest)) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'Recipient map destination cannot be empty'
+        );
+        return false;
+      }
+      try {
+        $stmt = $pdo->prepare("SELECT `id` FROM `recipient_maps`
+          WHERE `old_dest` = :old_dest");
+        $stmt->execute(array(':old_dest' => $old_dest_sane));
+        $num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
+      }
+      catch(PDOException $e) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'MySQL: '.$e
+        );
+        return false;
+      }
+      if ($num_results != 0) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'A Recipient map entry "' . htmlspecialchars($old_dest_sane) . '" exists'
+        );
+        return false;
+      }
+      try {
+        $stmt = $pdo->prepare("INSERT INTO `recipient_maps` (`old_dest`, `new_dest`, `active`) VALUES
+          (:old_dest, :new_dest, :active)");
+        $stmt->execute(array(
+          ':old_dest' => $old_dest_sane,
+          ':new_dest' => $new_dest,
+          ':active' => $active
+        ));
+      }
+      catch (PDOException $e) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'MySQL: '.$e
+        );
+        return false;
+      }
+      $_SESSION['return'] = array(
+        'type' => 'success',
+        'msg' => 'Recipient map entry saved'
+      );
+    break;
+    case 'edit':
+      $ids = (array)$_data['id'];
+      foreach ($ids as $id) {
+        $is_now = recipient_map('details', $id);
+        if (!empty($is_now)) {
+          $active = (isset($_data['active'])) ? intval($_data['active']) : $is_now['active_int'];
+          $new_dest = (!empty($_data['recipient_map_new'])) ? $_data['recipient_map_new'] : $is_now['recipient_map_new'];
+          $old_dest = $is_now['old_dest'];
+        }
+        else {
+          $_SESSION['return'] = array(
+            'type' => 'danger',
+            'msg' => sprintf($lang['danger']['access_denied'])
+          );
+          return false;
+        }
+        $new_dest = array_map('trim', preg_split( "/( |,|;|\n)/", $new_dest));
+        $active = intval($_data['active']);
+        foreach ($new_dest as &$new_dest_e) {
+          if (!filter_var($new_dest_e, FILTER_VALIDATE_EMAIL)) {
+            $new_dest_e = null;;
+          }
+          $new_dest_e = strtolower($new_dest_e);
+        }
+        $new_dest = array_filter($new_dest);
+        $new_dest = implode(",", $new_dest);
+        if (empty($new_dest)) {
+          $_SESSION['return'] = array(
+            'type' => 'danger',
+            'msg' => 'Recipient map destination cannot be empty'
+          );
+          return false;
+        }
+        try {
+          $stmt = $pdo->prepare("SELECT `id` FROM `recipient_maps`
+            WHERE `old_dest` = :old_dest");
+          $stmt->execute(array(':old_dest' => $old_dest));
+          $id_now = $stmt->fetch(PDO::FETCH_ASSOC)['id'];
+        }
+        catch(PDOException $e) {
+          $_SESSION['return'] = array(
+            'type' => 'danger',
+            'msg' => 'MySQL: '.$e
+          );
+          return false;
+        }
+        if (isset($id_now) && $id_now != $id) {
+          $_SESSION['return'] = array(
+            'type' => 'danger',
+            'msg' => 'A Recipient map entry ' . htmlspecialchars($old_dest) . ' exists'
+          );
+          return false;
+        }
+        try {
+          $stmt = $pdo->prepare("UPDATE `recipient_maps` SET `new_dest` = :new_dest, `active` = :active WHERE `id`= :id");
+          $stmt->execute(array(
+            ':new_dest' => $new_dest,
+            ':active' => $active,
+            ':id' => $id
+          ));
+        }
+        catch (PDOException $e) {
+          $_SESSION['return'] = array(
+            'type' => 'danger',
+            'msg' => 'MySQL: '.$e
+          );
+          return false;
+        }
+      }
+      $_SESSION['return'] = array(
+        'type' => 'success',
+        'msg' => 'Recipient map entry edited'
+      );
+    break;
+    case 'details':
+      $mapdata = array();
+      $id = intval($_data);
+      try {
+        $stmt = $pdo->prepare("SELECT `id`,
+          `old_dest` AS `recipient_map_old`,
+          `new_dest` AS `recipient_map_new`,
+          `active` AS `active_int`,
+          CASE `active` WHEN 1 THEN '".$lang['mailbox']['yes']."' ELSE '".$lang['mailbox']['no']."' END AS `active`,
+          `created`,
+          `modified` FROM `recipient_maps`
+            WHERE `id` = :id");
+        $stmt->execute(array(':id' => $id));
+        $mapdata = $stmt->fetch(PDO::FETCH_ASSOC);
+      }
+      catch(PDOException $e) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'MySQL: '.$e
+        );
+        return false;
+      }
+      return $mapdata;
+    break;
+    case 'get':
+      $mapdata = array();
+      $all_items = array();
+      $id = intval($_data);
+      try {
+        $stmt = $pdo->query("SELECT `id` FROM `recipient_maps`");
+        $all_items = $stmt->fetchAll(PDO::FETCH_ASSOC);
+      }
+      catch(PDOException $e) {
+        $_SESSION['return'] = array(
+          'type' => 'danger',
+          'msg' => 'MySQL: '.$e
+        );
+        return false;
+      }
+      foreach ($all_items as $i) {
+        $mapdata[] = $i['id'];
+      }
+      $all_items = null;
+      return $mapdata;
+    break;
+    case 'delete':
+      $ids = (array)$_data['id'];
+      foreach ($ids as $id) {
+        if (!is_numeric($id)) {
+          return false;
+        }
+        try {
+          $stmt = $pdo->prepare("DELETE FROM `recipient_maps` WHERE `id`= :id");
+          $stmt->execute(array(':id' => $id));
+        }
+        catch (PDOException $e) {
+          $_SESSION['return'] = array(
+            'type' => 'danger',
+            'msg' => 'MySQL: '.$e
+          );
+          return false;
+        }
+      }
+      $_SESSION['return'] = array(
+        'type' => 'success',
+        'msg' => 'Deleted Recipient map id/s ' . implode(', ', $ids)
+      );
+      return true;
+    break;
+  }
+}

data/web/inc/init_db.inc.php

@@ -3,7 +3,7 @@ function init_db_schema() {
   try {
     global $pdo;
 
-    $db_version = "02012018_1515";
+    $db_version = "20012021_2202";
 
     $stmt = $pdo->query("SHOW TABLES LIKE 'versions'");
     $num_results = count($stmt->fetchAll(PDO::FETCH_ASSOC));
@@ -394,6 +394,25 @@ function init_db_schema() {
         ),
         "attr" => "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC"
       ),
+      "recipient_maps" => array(
+        "cols" => array(
+          "id" => "INT NOT NULL AUTO_INCREMENT",
+          "old_dest" => "VARCHAR(255) NOT NULL",
+          "new_dest" => "VARCHAR(255) NOT NULL",
+          "created" => "DATETIME(0) NOT NULL DEFAULT NOW(0)",
+          "modified" => "DATETIME ON UPDATE CURRENT_TIMESTAMP",
+          "active" => "TINYINT(1) NOT NULL DEFAULT '0'"
+        ),
+        "keys" => array(
+          "primary" => array(
+            "" => array("id")
+          ),
+          "key" => array(
+            "local_dest" => array("old_dest"),
+          )
+        ),
+        "attr" => "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC"
+      ),
       "tfa" => array(
         "cols" => array(
           "id" => "INT NOT NULL AUTO_INCREMENT",

data/web/inc/prerequisites.inc.php

@@ -81,7 +81,7 @@ include $_SERVER['DOCUMENT_ROOT'] . '/lang/lang.'.$_SESSION['mailcow_locale'].'.
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.inc.php';
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.mailbox.inc.php';
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.customize.inc.php';
-require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.bcc.inc.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.address_rewriting.inc.php';
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.domain_admin.inc.php';
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.quarantaine.inc.php';
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/functions.policy.inc.php';

data/web/js/mailbox.js

@@ -383,6 +383,52 @@ jQuery(function($){
       }
     });
   }
+  function draw_recipient_map_table() {
+    ft_recipient_map_table = FooTable.init('#recipient_map_table', {
+      "columns": [
+        {"name":"chkbox","title":"","style":{"maxWidth":"60px","width":"60px"},"filterable": false,"sortable": false,"type":"html"},
+        {"sorted": true,"name":"id","title":"ID","style":{"maxWidth":"60px","width":"60px","text-align":"center"}},
+        {"name":"recipient_map_old","title":lang.recipient_map_old},
+        {"name":"recipient_map_new","title":lang.recipient_map_new},
+        {"name":"active","filterable": false,"style":{"maxWidth":"80px","width":"80px"},"title":lang.active},
+        {"name":"action","filterable": false,"sortable": false,"style":{"text-align":"right","maxWidth":"180px","width":"180px"},"type":"html","title":(role == "admin" ? lang.action : ""),"breakpoints":"xs sm"}
+      ],
+      "empty": lang.empty,
+      "rows": $.ajax({
+        dataType: 'json',
+        url: '/api/v1/get/recipient_map/all',
+        jsonp: false,
+        error: function () {
+          console.log('Cannot draw recipient map table');
+        },
+        success: function (data) {
+          if (role == "admin") {
+            $.each(data, function (i, item) {
+              item.action = '<div class="btn-group">' +
+                '<a href="/edit.php?recipient_map=' + item.id + '" class="btn btn-xs btn-default"><span class="glyphicon glyphicon-pencil"></span> ' + lang.edit + '</a>' +
+                '<a href="#" id="delete_selected" data-id="single-recipient_map" data-api-url="delete/recipient_map" data-item="' + item.id + '" class="btn btn-xs btn-danger"><span class="glyphicon glyphicon-trash"></span> ' + lang.remove + '</a>' +
+                '</div>';
+              item.chkbox = '<input type="checkbox" data-id="recipient_map" name="multi_select" value="' + item.id + '" />';
+            });
+          }
+        }
+      }),
+      "paging": {
+        "enabled": true,
+        "limit": 5,
+        "size": pagination_size
+      },
+      "filtering": {
+        "enabled": true,
+        "position": "left",
+        "connectors": false,
+        "placeholder": lang.filter_table
+      },
+      "sorting": {
+        "enabled": true
+      }
+    });
+  }
   function draw_alias_table() {
     ft_alias_table = FooTable.init('#alias_table', {
       "columns": [
@@ -609,5 +655,6 @@ jQuery(function($){
   draw_sync_job_table();
   draw_filter_table();
   draw_bcc_table();
+  draw_recipient_map_table();
 
 });

data/web/json_api.php

@@ -595,6 +595,39 @@ if (isset($_SESSION['mailcow_cc_role']) || isset($_SESSION['pending_mailcow_cc_u
               ));
             }
           break;
+          case "recipient_map":
+            if (isset($_POST['attr'])) {
+              $attr = (array)json_decode($_POST['attr'], true);
+              if (recipient_map('add', $attr) === false) {
+                if (isset($_SESSION['return'])) {
+                  echo json_encode($_SESSION['return']);
+                }
+                else {
+                  echo json_encode(array(
+                    'type' => 'error',
+                    'msg' => 'Cannot add item'
+                  ));
+                }
+              }
+              else {
+                if (isset($_SESSION['return'])) {
+                  echo json_encode($_SESSION['return']);
+                }
+                else {
+                  echo json_encode(array(
+                    'type' => 'success',
+                    'msg' => 'Task completed'
+                  ));
+                }
+              }
+            }
+            else {
+              echo json_encode(array(
+                'type' => 'error',
+                'msg' => 'Cannot find attributes in post data'
+              ));
+            }
+          break;
         }
       break;
       case "get":
@@ -1191,6 +1224,41 @@ if (isset($_SESSION['mailcow_cc_role']) || isset($_SESSION['pending_mailcow_cc_u
               break;
             }
           break;
+          case "recipient_map":
+            switch ($object) {
+              case "all":
+                $recipient_map_items = recipient_map('get');
+                if (!empty($recipient_map_items)) {
+                  foreach ($recipient_map_items as $recipient_map_item) {
+                    if ($details = recipient_map('details', $recipient_map_item)) {
+                      $data[] = $details;
+                    }
+                    else {
+                      continue;
+                    }
+                  }
+                }
+                if (!isset($data) || empty($data)) {
+                  echo '{}';
+                }
+                else {
+                  echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+                }
+              break;
+              default:
+                $data = recipient_map('details', $object);
+                if (!empty($data)) {
+                  $data[] = $details;
+                }
+                if (!isset($data) || empty($data)) {
+                  echo '{}';
+                }
+                else {
+                  echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+                }
+              break;
+            }
+          break;
           case "policy_wl_mailbox":
             switch ($object) {
               default:
@@ -1739,6 +1807,47 @@ if (isset($_SESSION['mailcow_cc_role']) || isset($_SESSION['pending_mailcow_cc_u
               ));
             }
           break;
+          case "recipient_map":
+            if (isset($_POST['items'])) {
+              $items = (array)json_decode($_POST['items'], true);
+              if (is_array($items)) {
+                if (recipient_map('delete', array('id' => $items)) === false) {
+                  if (isset($_SESSION['return'])) {
+                    echo json_encode($_SESSION['return']);
+                  }
+                  else {
+                    echo json_encode(array(
+                      'type' => 'error',
+                      'msg' => 'Deletion of items/s failed'
+                    ));
+                  }
+                }
+                else {
+                  if (isset($_SESSION['return'])) {
+                    echo json_encode($_SESSION['return']);
+                  }
+                  else {
+                    echo json_encode(array(
+                      'type' => 'success',
+                      'msg' => 'Task completed'
+                    ));
+                  }
+                }
+              }
+              else {
+                echo json_encode(array(
+                  'type' => 'error',
+                  'msg' => 'Cannot find id array in post data'
+                ));
+              }
+            }
+            else {
+              echo json_encode(array(
+                'type' => 'error',
+                'msg' => 'Cannot find items in post data'
+              ));
+            }
+          break;
           case "fwdhost":
             if (isset($_POST['items'])) {
               $items = (array)json_decode($_POST['items'], true);
@@ -2238,6 +2347,50 @@ if (isset($_SESSION['mailcow_cc_role']) || isset($_SESSION['pending_mailcow_cc_u
               ));
             }
           break;
+          case "recipient_map":
+            if (isset($_POST['items']) && isset($_POST['attr'])) {
+              $items = (array)json_decode($_POST['items'], true);
+              $attr = (array)json_decode($_POST['attr'], true);
+              $postarray = array_merge(array('id' => $items), $attr);
+              if (is_array($postarray['id'])) {
+                if (recipient_map('edit', $postarray) === false) {
+                  if (isset($_SESSION['return'])) {
+                    echo json_encode($_SESSION['return']);
+                  }
+                  else {
+                    echo json_encode(array(
+                      'type' => 'error',
+                      'msg' => 'Edit failed'
+                    ));
+                  }
+                  exit();
+                }
+                else {
+                  if (isset($_SESSION['return'])) {
+                    echo json_encode($_SESSION['return']);
+                  }
+                  else {
+                    echo json_encode(array(
+                      'type' => 'success',
+                      'msg' => 'Task completed'
+                    ));
+                  }
+                }
+              }
+              else {
+                echo json_encode(array(
+                  'type' => 'error',
+                  'msg' => 'Incomplete post data'
+                ));
+              }
+            }
+            else {
+              echo json_encode(array(
+                'type' => 'error',
+                'msg' => 'Incomplete post data'
+              ));
+            }
+          break;
           case "alias":
             if (isset($_POST['items']) && isset($_POST['attr'])) {
               $items = (array)json_decode($_POST['items'], true);

data/web/lang/lang.en.php

@@ -648,5 +648,11 @@ $lang['mailbox']['bcc_maps'] = "BCC maps";
 $lang['mailbox']['bcc_to_sender'] = "Switch to sender map type";
 $lang['mailbox']['bcc_to_rcpt'] = "Switch to recipient map type";
 $lang['mailbox']['add_bcc_entry'] = "Add BCC map";
-$lang['mailbox']['bcc_info'] = "A recipient map type entry is used, when the local destination acts as recipient of a mail. Sender maps conform to the same principle.<br/>
+$lang['mailbox']['bcc_info'] = "BCC maps are used to silently forward copies of all messages to another address. A recipient map type entry is used, when the local destination acts as recipient of a mail. Sender maps conform to the same principle.<br/>
   The local destination will not be informed about a failed delivery.";
+$lang['mailbox']['address_rewriting'] = 'Address rewriting';
+$lang['mailbox']['recipient_maps'] = 'Recipient maps';
+$lang['mailbox']['recipient_map_info'] = 'Recipient maps are used to replace the destination address on a message before it is delivered.';
+$lang['mailbox']['recipient_map_old'] = 'Original recipient';
+$lang['mailbox']['recipient_map_new'] = 'New recipient';
+$lang['mailbox']['add_recipient_map_entry'] = 'Add recipient map';

data/web/mailbox.php

@@ -21,7 +21,7 @@ $_SESSION['return_to'] = $_SERVER['REQUEST_URI'];
     </li>
     <li role="presentation"><a href="#tab-syncjobs" aria-controls="tab-syncjobs" role="tab" data-toggle="tab"><?=$lang['mailbox']['sync_jobs'];?></a></li>
     <li role="presentation"><a href="#tab-filters" aria-controls="tab-filters" role="tab" data-toggle="tab"><?=$lang['mailbox']['filters'];?></a></li>
-    <li role="presentation"><a href="#tab-bcc" aria-controls="tab-filters" role="tab" data-toggle="tab"><?=$lang['mailbox']['bcc_maps'];?></a></li>
+    <li role="presentation"><a href="#tab-bcc" aria-controls="tab-filters" role="tab" data-toggle="tab"><?=$lang['mailbox']['address_rewriting'];?></a></li>
   </ul>
 
 	<div class="row">
@@ -234,6 +234,34 @@ $_SESSION['return_to'] = $_SERVER['REQUEST_URI'];
               </div>
             </div>
           </div>
+          <div class="panel panel-default">
+            <div class="panel-heading">
+              <h3 class="panel-title"><?=$lang['mailbox']['recipient_maps'];?></h3>
+            </div>
+            <p style="margin:10px" class="help-block"><?=$lang['mailbox']['recipient_map_info'];?></p>
+            <div class="table-responsive">
+              <table class="table table-striped" id="recipient_map_table"></table>
+            </div>
+<?php
+if (isset($_SESSION['mailcow_cc_role']) && ($_SESSION['mailcow_cc_role'] == "admin"))
+  $display = 'block';
+else
+  $display = 'none';
+?>
+            <div class="mass-actions-mailbox" style="display: <?php echo $display; ?>">
+              <div class="btn-group">
+                <a class="btn btn-sm btn-default" id="toggle_multi_select_all" data-id="recipient_map" href="#"><span class="glyphicon glyphicon-check" aria-hidden="true"></span> <?=$lang['mailbox']['toggle_all'];?></a>
+                <a class="btn btn-sm btn-default dropdown-toggle" data-toggle="dropdown" href="#"><?=$lang['mailbox']['quick_actions'];?> <span class="caret"></span></a>
+                <ul class="dropdown-menu">
+                  <li><a id="edit_selected" data-id="recipient_map" data-api-url='edit/recipient_map' data-api-attr='{"active":"1"}' href="#"><?=$lang['mailbox']['activate'];?></a></li>
+                  <li><a id="edit_selected" data-id="recipient_map" data-api-url='edit/recipient_map' data-api-attr='{"active":"0"}' href="#"><?=$lang['mailbox']['deactivate'];?></a></li>
+                  <li role="separator" class="divider"></li>
+                  <li><a id="delete_selected" data-id="recipient_map" data-api-url='delete/recipient_map' href="#"><?=$lang['mailbox']['remove'];?></a></li>
+                </ul>
+                <a class="btn btn-sm btn-success" href="#" data-toggle="modal" data-target="#addRecipientMapModalAdmin"><span class="glyphicon glyphicon-plus"></span> <?=$lang['mailbox']['add_recipient_map_entry'];?></a>
+              </div>
+            </div>
+          </div>
         </div>
       </div> <!-- /tab-content -->
     </div> <!-- /col-md-12 -->

data/web/modals/mailbox.php

@@ -574,6 +574,45 @@ if (!isset($_SESSION['mailcow_cc_role'])) {
     </div>
   </div>
 </div><!-- add add_bcc modal -->
+<!-- add add_recipient_map modal -->
+<div class="modal fade" id="addRecipientMapModalAdmin" tabindex="-1" role="dialog" aria-hidden="true">
+  <div class="modal-dialog modal-lg">
+    <div class="modal-content">
+      <div class="modal-header">
+        <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">×</span></button>
+        <h3 class="modal-title"><?=$lang['mailbox']['recipient_maps'];?></h3>
+      </div>
+      <div class="modal-body">
+				<form class="form-horizontal" data-cached-form="true" role="form" data-id="add_recipient_map">
+          <div class="form-group">
+            <label class="control-label col-sm-2" for="recipient_map_old"><?=$lang['mailbox']['recipient_map_old'];?>:</label>
+						<div class="col-sm-10">
+							<textarea autocorrect="off" spellcheck="false" autocapitalize="none" class="form-control" rows="2" id="recipient_map_old" name="recipient_map_old" required></textarea>
+						</div>
+          </div>
+					<div class="form-group">
+						<label class="control-label col-sm-2" for="recipient_map_new"><?=$lang['mailbox']['recipient_map_new'];?>:</label>
+						<div class="col-sm-10">
+							<textarea autocorrect="off" spellcheck="false" autocapitalize="none" class="form-control" rows="2" id="recipient_map_new" name="recipient_map_new" required></textarea>
+						</div>
+					</div>
+					<div class="form-group">
+						<div class="col-sm-offset-2 col-sm-10">
+							<div class="checkbox">
+							<label><input type="checkbox" value="1" name="active" checked> <?=$lang['add']['active'];?></label>
+							</div>
+						</div>
+					</div>
+					<div class="form-group">
+						<div class="col-sm-offset-2 col-sm-10">
+              <button class="btn btn-success" id="add_item" data-id="add_recipient_map" data-api-url='add/recipient_map' data-api-attr='{}' href="#"><?=$lang['admin']['add'];?></button>
+						</div>
+					</div>
+				</form>
+      </div>
+    </div>
+  </div>
+</div><!-- add add_recipient_map modal -->
 <!-- log modal -->
 <div class="modal fade" id="syncjobLogModal" tabindex="-1" role="dialog" aria-labelledby="syncjobLogModalLabel">
   <div class="modal-dialog modal-lg" role="document">

docker-compose.yml

@@ -184,7 +184,7 @@ services:
             - dovecot
 
     postfix-mailcow:
-      image: mailcow/postfix:1.11
+      image: mailcow/postfix:1.13
       build: ./data/Dockerfiles/postfix
       volumes:
         - ./data/conf/postfix:/opt/postfix/conf