diff --git a/VIRTUAL_VACATION/vacation.pl b/VIRTUAL_VACATION/vacation.pl
index 2df306a5..9bc87585 100644
--- a/VIRTUAL_VACATION/vacation.pl
+++ b/VIRTUAL_VACATION/vacation.pl
@@ -321,9 +321,14 @@ sub get_interval {
 sub already_notified {
     my ($to, $from) = @_;
     my $logger = get_logger();
+    my $query;
 
     # delete old notifications
-    my $query = qq{DELETE vacation_notification.* FROM vacation_notification LEFT JOIN vacation ON vacation.email = vacation_notification.on_vacation WHERE on_vacation = ? AND notified = ? AND notified_at < vacation.activefrom};
+    if ($db_type eq 'Pg') {
+        $query = qq{DELETE FROM vacation_notification USING vacation WHERE vacation.email = vacation_notification.on_vacation AND on_vacation = ? AND notified = ? AND notified_at < vacation.activefrom;};
+    } else { # mysql
+        $query = qq{DELETE vacation_notification.* FROM vacation_notification LEFT JOIN vacation ON vacation.email = vacation_notification.on_vacation WHERE on_vacation = ? AND notified = ? AND notified_at < vacation.activefrom};
+    }
     my $stm = $dbh->prepare($query);
     if (!$stm) {
         $logger->error("Could not prepare query (trying to delete old vacation notifications) :'$query' to: $to, from:$from");
@@ -353,7 +358,11 @@ sub already_notified {
         $interval = get_interval($to);
 
         if ($interval) {
-            $query = qq{SELECT NOW()-notified_at FROM vacation_notification WHERE on_vacation=? AND notified=?};
+            if ($db_type eq 'Pg') {
+                $query = qq{SELECT extract( epoch from (NOW()-notified_at))::int FROM vacation_notification WHERE on_vacation=? AND notified=?};
+            } else { # mysql
+                $query = qq{SELECT NOW()-notified_at FROM vacation_notification WHERE on_vacation=? AND notified=?};
+            }
             $stm = $dbh->prepare($query) or panic_prepare($query);
             $stm->execute($to,$from) or panic_execute($query,"on_vacation='$to', notified='$from'");
             my @row = $stm->fetchrow_array;
diff --git a/edit.php b/edit.php
index 1ee210f4..824abf33 100644
--- a/edit.php
+++ b/edit.php
@@ -45,7 +45,7 @@ $formconf = $handler->webformConfig();
 
 authentication_require_role($formconf['required_role']);
 
-if ($edit != '' || $formconf['early_init']) {
+if ($new == 0 || $formconf['early_init']) {
     if (!$handler->init($edit)) {
         if (count($handler->errormsg) == 0) {
             # should never happen and indicates a bug in $handler->init()
@@ -61,7 +61,7 @@ $form_fields = $handler->getStruct();
 $id_field    = $handler->getId_field();
 
 if ($_SERVER['REQUEST_METHOD'] == "GET") {
-    if ($edit == '') { # new - prefill fields from URL parameters if allowed in $formconf['prefill']
+    if ($new) { # new - prefill fields from URL parameters if allowed in $formconf['prefill']
         if ( isset($formconf['prefill']) ) {
             foreach ($formconf['prefill'] as $field) {
                 $prefillvalue = safeget($field, safesession("prefill:$table:$field"));
@@ -116,7 +116,7 @@ if ($_SERVER['REQUEST_METHOD'] == "POST") {
 
     if (isset($formconf['hardcoded_edit']) && $formconf['hardcoded_edit']) {
         $values[$id_field] = $form_fields[$id_field]['default'];
-    } elseif ($edit != "") {
+    } elseif ($new == 0) {
         $values[$id_field] = $edit;
     }
 
@@ -159,7 +159,7 @@ if ($_SERVER['REQUEST_METHOD'] == "POST") {
                 }
             }
 
-            if ($edit != "") {
+            if ($new == 0) {
                 header ("Location: " . $formconf['listview']);
                 exit;
             } else {
diff --git a/functions.inc.php b/functions.inc.php
index 44e2aae4..f9a1144e 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -1282,6 +1282,7 @@ function db_connect ($ignore_errors = 0) {
  */
 function db_get_boolean($bool) {
     if(! (is_bool($bool) || $bool == '0' || $bool == '1') ) {
+        error_log("Invalid usage of 'db_get_boolean($bool)'");
         die("Invalid usage of 'db_get_boolean($bool)'");
     }
 
diff --git a/model/AliasHandler.php b/model/AliasHandler.php
index f33b37ba..6275db9b 100644
--- a/model/AliasHandler.php
+++ b/model/AliasHandler.php
@@ -221,6 +221,10 @@ class AliasHandler extends PFAHandler {
             } else {
                 $oldvalues = $old_ah->result();
 
+                if (!isset($values['goto'])) { # no new value given?
+                    $values['goto'] = $oldvalues['goto'];
+                }
+
                 if (!isset($values['on_vacation'])) { # no new value given?
                     $values['on_vacation'] = $oldvalues['on_vacation'];
                 }
diff --git a/templates/list-virtual_mailbox.tpl b/templates/list-virtual_mailbox.tpl
index 9042eb5e..9113dcc7 100644
--- a/templates/list-virtual_mailbox.tpl
+++ b/templates/list-virtual_mailbox.tpl
@@ -61,6 +61,8 @@
 						<div class="quota quota_{$quota_level}" style="width:{$divide_quota.quota_width[$i]}px;"></div>
 						<div class="quota_bg"></div></div>
 						<div class="quota_text quota_text_{$quota_level}">{$divide_quota.current[$i]} / {$divide_quota.quota[$i]}</div>
+					{else}
+						{$divide_quota.quota[$i]}
 					{/if}
 				{/if}
 				</td>