diff --git a/nomad/email.hcl b/nomad/email.hcl
index d5cdc83..7f4ba50 100644
--- a/nomad/email.hcl
+++ b/nomad/email.hcl
@@ -75,6 +75,7 @@ job "email" {
         address_mode = "host"
         tags = [
           "dovecot",
+          "(diplonat (tcp_port 993))"
         ]
         check {
           type = "tcp"