diff --git a/ldap.cfg.example b/ldap.cfg.example
index 71e0b98..0aabb4b 100644
--- a/ldap.cfg.example
+++ b/ldap.cfg.example
@@ -49,4 +49,13 @@ $siga_marketing = "Marketing bullshit<br>";
 $siga_prefix = "Best regards, ";
 $siga_url = "<br>URL";
 $siga_postfix = "<br>Some spam";
+$siga_support_address_domain = 'example.com';
+$siga_support_address_prefix = 'info.';
+$siga_support_address_postfix = '';
+$siga_support_address_default = "$siga_support_address_prefix" . "global" . "$siga_support_address_postfix" . "@" . "$siga_support_address_domain";
+$siga_support_address_array = array(
+  'boston' => 'Boston',
+  'de' => 'Delaware',
+  'ny' => 'New York'
+);
 ?>
diff --git a/ldap.defaults.php b/ldap.defaults.php
index 412306c..48b4b52 100644
--- a/ldap.defaults.php
+++ b/ldap.defaults.php
@@ -15,7 +15,7 @@ $ldap_attributes = array(
     "telexnumber",
     "pager",
     "homephone",
+    "homepostaladdress",
     "entryuuid"
 );
-
 ?>
diff --git a/ldap.siga.php b/ldap.siga.php
index 9997e4b..532ca0e 100644
--- a/ldap.siga.php
+++ b/ldap.siga.php
@@ -4,7 +4,7 @@ function getSignatureAll($siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap
   return $siga_prefix . $ldap_givenname_exploded . " " . $ldap_sn . ",<br>" . $ldap_title . $siga_url . $main_telnumber . " " . $ldap_extention . $ldap_pager . $siga_postfix;
 }
 
-function getSignatureManager($siga_marketing, $siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $siga_url, $main_telnumber, $ldap_extention, $ldap_pager, $ldap_im, $siga_postfix) {
-  return $siga_marketing . $siga_prefix . $ldap_givenname_exploded . " " . $ldap_sn . ",<br>" . $ldap_title . $siga_url . $main_telnumber . " " . $ldap_extention . $ldap_pager . $ldap_im . $siga_postfix;
+function getSignatureManager($siga_marketing, $siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $ldap_support_mail, $siga_url, $main_telnumber, $ldap_extention, $ldap_pager, $ldap_im, $siga_postfix) {
+  return $siga_marketing . $siga_prefix . $ldap_givenname_exploded . " " . $ldap_sn . ",<br>" . $ldap_title . $ldap_support_mail . $siga_url . $main_telnumber . " " . $ldap_extention . $ldap_pager . $ldap_im . $siga_postfix;
 }
 ?>
diff --git a/thunderbird.php b/thunderbird.php
index 30b3e43..a091c5d 100644
--- a/thunderbird.php
+++ b/thunderbird.php
@@ -1,6 +1,6 @@
 <?php
 
-// (c) 2015-2018, Konstantin Shalygin <k0ste@k0ste.ru>
+// (c) 2015-2019, Konstantin Shalygin <k0ste@k0ste.ru>
 
 require_once 'ldap.cfg.php';
 require_once 'ldap.defaults.php';
@@ -47,11 +47,20 @@ if($im_enabled == true) {
   }
 }
 
+if (isset($info[0]["homepostaladdress"])) {
+  $ldap_support_key = array_search($info[0]["homepostaladdress"][0], $siga_support_address_array);
+  if (isset($ldap_support_key)) {
+    $ldap_support_mail = "$siga_support_address_prefix$ldap_support_key$siga_support_address_postfix" . "@" . "$siga_support_address_domain";
+    $ldap_support_mail = "<br><a href=\\\"mailto:" . $ldap_support_mail . "\\\">" . $ldap_support_mail . "</a>";
+  }
+} else {
+  $ldap_support_mail = "<br><a href=\\\"mailto:" . $siga_support_address_default . "\\\">" . $siga_support_address_default . "</a>";
+}
+
 if (isset($info[0]["pager"])) {
   $ldap_pager = $info[0]["pager"][0];
   $ldap_pager = "<br>+$ldap_pager";
-}
-elseif (isset($info[0]["homephone"])) {
+} elseif (isset($info[0]["homephone"])) {
   $ldap_pager = $info[0]["homephone"][0];
   $ldap_pager = "<br>+$ldap_pager";
 } else {
@@ -65,7 +74,7 @@ $entry_manager = ldap_first_entry($link, $result_manager);
 
 if($entry_manager == false) {
   if($ldap_gid == $ldap_target_gid) {
-    $signature = getSignatureManager($siga_marketing, $siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $siga_url, $telnumber_all, $ldap_extention, $ldap_pager, $ldap_im, $siga_postfix);
+    $signature = getSignatureManager($siga_marketing, $siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $ldap_support_mail, $siga_url, $telnumber_all, $ldap_extention, $ldap_pager, $ldap_im, $siga_postfix);
 } else {
     $signature = getSignatureAll($siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $siga_url, $telnumber_all, $ldap_extention, $ldap_pager, $siga_postfix);
   }
@@ -75,7 +84,7 @@ if($entry_manager == false) {
   if($counter < 1) {
     $signature = getSignatureAll($siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $siga_url, $telnumber_all, $ldap_extention, $ldap_pager, $siga_postfix);
   } else {
-    $signature = getSignatureManager($siga_marketing, $siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, $siga_url, $telnumber_manager, $ldap_extention, $ldap_pager, $ldap_im, $siga_postfix);
+    $signature = getSignatureManager($siga_marketing, $siga_prefix, $ldap_givenname_exploded, $ldap_sn, $ldap_title, "", $siga_url, $telnumber_manager, $ldap_extention, $ldap_pager, $ldap_im, $siga_postfix);
   }
 }