diff --git a/nginx/server.conf b/nginx/server.conf
index e0ae5999..e753f404 100644
--- a/nginx/server.conf
+++ b/nginx/server.conf
@@ -127,7 +127,7 @@ server {
 server {
     listen 80;
     listen [::]:80;
-    server_name mta-sts.grapheneos.org;
+    server_name mta-sts.grapheneos.org mta-sts.mail.grapheneos.org;
 
     root /var/empty;
 
@@ -136,7 +136,7 @@ server {
 
 server {
     include /etc/nginx/snippets/https.conf;
-    server_name mta-sts.grapheneos.org;
+    server_name mta-sts.grapheneos.org mta-sts.mail.grapheneos.org;
 
     root /var/www/mta-sts;