diff --git a/CHANGELOG b/CHANGELOG
index e1148b229df..40083e3245a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -33,6 +33,7 @@ CHANGELOG Roundcube Webmail
 - Indicate that a collapsed thread has flagged children (#5013)
 - Implemented message/rfc822 attachment preview
 - Update to jsTimezoneDetect 1.0.6
+- Managesieve: Add option to automatically set vacation :from address (#5428)
 - Managesieve: Support 'string' test from variables extension [RFC 5229] (#5248)
 - Managesieve: Support 'duplicate' extension [RFC 7352]
 - Managesieve: Unhide advanced rule controls if there are inputs with errors
diff --git a/plugins/managesieve/Changelog b/plugins/managesieve/Changelog
index deeecc90c79..916c2998f67 100644
--- a/plugins/managesieve/Changelog
+++ b/plugins/managesieve/Changelog
@@ -1,5 +1,6 @@
 - Fix parsing of vacation date-time with non-default date_format (#5372)
 - Fix regression where js error is thrown if server does not support 'duplicate' extension
+- Add option to automatically set vacation :from address (#5428)
 
 * version 8.7 [2016-07-19]
 -----------------------------------------------------------
diff --git a/plugins/managesieve/config.inc.php.dist b/plugins/managesieve/config.inc.php.dist
index 835db538c32..5b4586af050 100644
--- a/plugins/managesieve/config.inc.php.dist
+++ b/plugins/managesieve/config.inc.php.dist
@@ -96,5 +96,9 @@ $config['managesieve_vacation_interval'] = 0;
 // of these on initial vacation form creation.
 $config['managesieve_vacation_addresses_init'] = false;
 
+// Sometimes you want to always reply with mail email address
+// This option enables automatic filling of :from field on initial vacation form creation.
+$config['managesieve_vacation_from_init'] = false;
+
 // Supported methods of notify extension. Default: 'mailto'
 $config['managesieve_notify_methods'] = array('mailto');
diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
index 004e1e6d9ba..23dd42d8f24 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
@@ -1947,7 +1947,17 @@ function action_div($fid, $id, $div=true)
         // vacation
         $vsec      = in_array('vacation-seconds', $this->exts);
         $auto_addr = $this->rc->config->get('managesieve_vacation_addresses_init');
-        $addresses = isset($action['addresses']) || !$auto_addr ? (array) $action['addresses'] : $this->user_emails();
+        $from_addr = $this->rc->config->get('managesieve_vacation_from_init');
+
+        if (empty($action)) {
+            if ($auto_addr) {
+                $action['addresses'] = $this->user_emails();
+            }
+            if ($from_addr) {
+                $default_identity = $this->rc->user->list_emails(true);
+                $action['from'] = $default_identity['email'];
+            }
+        }
 
         $out .= '<div id="action_vacation' .$id.'" style="display:' .($action['type']=='vacation' ? 'inline' : 'none') .'">';
         $out .= '<span class="label">'. rcube::Q($this->plugin->gettext('vacationreason')) .'</span><br>';
@@ -1977,8 +1987,8 @@ function action_div($fid, $id, $div=true)
                 'class' => $this->error_class($id, 'action', 'from', 'action_from'),
             ));
         $out .= '<br><span class="label">' .rcube::Q($this->plugin->gettext('vacationaddr')) . '</span><br>';
-        $out .= $this->list_input($id, 'action_addresses', $addresses, true,
-                $this->error_class($id, 'action', 'addresses', 'action_addresses'), 30)
+        $out .= $this->list_input($id, 'action_addresses', $action['addresses'], true,
+                    $this->error_class($id, 'action', 'addresses', 'action_addresses'), 30)
             . html::a(array('href' => '#', 'onclick' => rcmail_output::JS_OBJECT_NAME . ".managesieve_vacation_addresses($id)"),
                 rcube::Q($this->plugin->gettext('filladdresses')));
         $out .= '<br><span class="label">' . rcube::Q($this->plugin->gettext($vsec ? 'vacationinterval' : 'vacationdays')) . '</span><br>';
diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_vacation.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_vacation.php
index 874110534cc..bba774490a1 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_vacation.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_vacation.php
@@ -339,8 +339,18 @@ public function vacation_form($attrib)
             'noclose' => true
             ) + $attrib);
 
+        $from_addr = $this->rc->config->get('managesieve_vacation_from_init');
         $auto_addr = $this->rc->config->get('managesieve_vacation_addresses_init');
-        $addresses = !$auto_addr || count($this->vacation) > 1 ? (array) $this->vacation['addresses'] : $this->user_emails();
+
+        if (count($this->vacation) < 2) {
+            if ($auto_addr) {
+                $this->vacation['addresses'] = $this->user_emails();
+            }
+            if ($from_addr) {
+                $default_identity = $this->rc->user->list_emails(true);
+                $this->vacation['from'] = $default_identity['email'];
+            }
+        }
 
         // form elements
         $from      = new html_inputfield(array('name' => 'vacation_from', 'id' => 'vacation_from', 'size' => 50));
@@ -348,7 +358,7 @@ public function vacation_form($attrib)
         $reason    = new html_textarea(array('name' => 'vacation_reason', 'id' => 'vacation_reason', 'cols' => 60, 'rows' => 8));
         $interval  = new html_inputfield(array('name' => 'vacation_interval', 'id' => 'vacation_interval', 'size' => 5));
         $addresses = '<textarea name="vacation_addresses" id="vacation_addresses" data-type="list" data-size="30" style="display: none">'
-            . rcube::Q(implode("\n", $addresses), 'strict', false) . '</textarea>';
+            . rcube::Q(implode("\n", (array) $this->vacation['addresses']), 'strict', false) . '</textarea>';
         $status    = new html_select(array('name' => 'vacation_status', 'id' => 'vacation_status'));
         $action    = new html_select(array('name' => 'vacation_action', 'id' => 'vacation_action', 'onchange' => 'vacation_action_select()'));
         $addresses_link = new html_inputfield(array(
diff --git a/plugins/managesieve/skins/larry/managesieve.css b/plugins/managesieve/skins/larry/managesieve.css
index 6cea1593596..2545ca40631 100644
--- a/plugins/managesieve/skins/larry/managesieve.css
+++ b/plugins/managesieve/skins/larry/managesieve.css
@@ -373,6 +373,7 @@ td.rowtargets > span.listarea
   border-top: none;
 }
 
+#vacationform .listelement input,
 #filter-form .listelement input
 {
   border: none;
@@ -440,21 +441,6 @@ body.iframe.mail #filter-form
   max-height: 91px;
 }
 
-#vacationform .listelement,
-#vacationform .listelement .reset {
-  height: 22px;
-}
-
-#vacationform .listelement .reset {
-  background-position: -1px 3px;
-}
-
-#vacationform .listelement input {
-  vertical-align: top;
-  border: 0;
-  box-shadow: none;
-}
-
 #vacationform td.vacation {
   white-space: nowrap;
 }