diff --git a/modules/mail/manifests/postfix.pp b/modules/mail/manifests/postfix.pp
index 8ec14b6c..98b0bb2d 100644
--- a/modules/mail/manifests/postfix.pp
+++ b/modules/mail/manifests/postfix.pp
@@ -112,7 +112,7 @@ class mail::postfix (
             group   => 'root',
             mode    => '0644',
             require => Package['postfix'],
-            notify  => Service['postfix'],
+            notify  => Exec['postmap_virtual'],
             content => template('mail/postfix/virtual.erb'),
         }
 
@@ -161,7 +161,9 @@ class mail::postfix (
     service { 'postfix':
         ensure     => $ensure_service,
         enable     => true,
+        hasrestart => true,
         require    => Package['postfix'],
+        restart    => 'systemctl reload postfix',
         subscribe  => File['/etc/resolv.conf'],
     }
 
@@ -171,6 +173,12 @@ class mail::postfix (
         notify      => Service['postfix'],
     }
 
+    exec { 'postmap_virtual':
+        command     => '/usr/sbin/postmap /etc/postfix/virtual',
+        refreshonly => true,
+        notify      => Service['postfix'],
+    }
+
     exec { 'newaliases':
         subscribe => File['/etc/aliases'],
         command   => '/usr/bin/newaliases',