diff --git a/systems/x86_64-linux/mx/mailserver.nix b/systems/x86_64-linux/mx/mailserver.nix
index 17bb708..d1784ff 100644
--- a/systems/x86_64-linux/mx/mailserver.nix
+++ b/systems/x86_64-linux/mx/mailserver.nix
@@ -8,6 +8,7 @@
   # email addresses git smudged
   mailserver = {
     enable = true;
+    enableManageSieve = true;
     stateVersion = 3;
     fqdn = "mx.surfsite.org";
     sendingFqdn = "mx.surfsite.org";
@@ -239,12 +240,14 @@
     # this is the url of the vhost, not necessarily the same as the fqdn of
     # the mailserver
     hostName = "webmail.hoyer.xyz";
+    plugins = [ "managesieve" ];
     extraConfig = ''
       # starttls needed for authentication, so the fqdn required to match
       # the certificate
       $config['smtp_server'] = "tls://${config.mailserver.fqdn}";
       $config['smtp_user'] = "%u";
       $config['smtp_pass'] = "%p";
+      $config['managesieve_host'] = "localhost";
     '';
   };
 }