diff --git a/nginx.conf b/nginx.conf
index 3c2ce6c..3dab7e1 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -121,7 +121,7 @@ stream {
     
     # SMTP Submission port (STARTTLS) - port 587
     server {
-        listen 10.0.0.29:587 ssl;
+        listen 587 ssl;
         proxy_pass mail_submission;
         proxy_connect_timeout 10s;
         
@@ -142,7 +142,7 @@ stream {
     
     # SMTPS port (implicit TLS) - port 465
     server {
-        listen 10.0.0.29:465 ssl;
+        listen 465 ssl;
         proxy_pass mail_smtps;
         proxy_connect_timeout 10s;