diff --git a/roles/docker/tasks/services/mailu.yml b/roles/docker/tasks/services/mailu.yml
index 9a7b71a..c70849d 100644
--- a/roles/docker/tasks/services/mailu.yml
+++ b/roles/docker/tasks/services/mailu.yml
@@ -22,6 +22,21 @@
     src: mailu.env.j2
     dest: "{{ mailu.volume_folder}}/mailu.env"
 
+- name: hard link to Let's Encrypt TLS certificate
+  file:
+    src: "{{ nginx.volume_folder }}/certs/{{ mailu.domain }}/fullchain.pem"
+    dest: "{{ mailu.volume_folder }}/certs/cert.pem"
+    state: hard
+    force: yes
+
+
+- name: hard link to Let's Encrypt TLS key
+  file:
+    src: "{{ nginx.volume_folder }}/certs/{{ mailu.domain }}/key.pem"
+    dest: "{{ mailu.volume_folder }}/certs/key.pem"
+    state: hard
+    force: yes
+
 - name: run mail server containers
   docker_service:
     project_name: mail_server
@@ -35,15 +50,13 @@
           volumes:
             - "{{ mailu.volume_folder }}/redis:/data"
 
-        postgresql:
+        database:
           image: mailu/postgresql:{{ mailu.version }}
           restart: always
           env_file: "{{ mailu.volume_folder}}/mailu.env"
           volumes:
             - "{{ mailu.volume_folder }}/data/psql_db:/data"
             - "{{ mailu.volume_folder }}/data/psql_backup:/backup"
-          networks:
-            - name: mailu
 
         front:
           image: mailu/nginx:{{ mailu.version }}
diff --git a/roles/docker/templates/mailu.env.j2 b/roles/docker/templates/mailu.env.j2
index 7e00627..168fc93 100644
--- a/roles/docker/templates/mailu.env.j2
+++ b/roles/docker/templates/mailu.env.j2
@@ -32,13 +32,13 @@ SUBNET={{ mailu.subnet }}
 DOMAIN=data.coop
 
 # Hostnames for this server, separated with comas
-HOSTNAMES=nem.li,kva.li
+HOSTNAMES=mail.data.coop
 
 # Postmaster local part (will append the main mail domain)
 POSTMASTER=admin
 
 # Choose how secure connections will behave (value: letsencrypt, cert, notls, mail, mail-letsencrypt)
-TLS_FLAVOR=letsencrypt
+TLS_FLAVOR=mail
 
 # Authentication rate limit (per source IP address)
 AUTH_RATELIMIT=10/minute;1000/hour