diff --git a/.env.default b/.env.default
index d19605b..d5889a5 100644
--- a/.env.default
+++ b/.env.default
@@ -1,4 +1,5 @@
 DOMAIN=localhost.localdomain
 HOST_GLANCES=glances
 HOST_PORTAINER=portainer
+HOST_MAIL=mail
 TZ=Europe/Paris
diff --git a/posteio/docker-compose.yml b/posteio/docker-compose.yml
new file mode 100644
index 0000000..8524605
--- /dev/null
+++ b/posteio/docker-compose.yml
@@ -0,0 +1,24 @@
+version: '3'
+
+services:
+  poste-io:
+    container_name: poste-io
+    image: analogic/poste.io
+    volumes:
+      - /srv/data/poste.io:/data
+    environment:
+      - TZ=${TZ}
+      - HTTPS=OFF
+    restart: unless-stopped
+    ports:
+      - "587:587"
+      - "465:465"
+      - "993:993"
+      - "25:25"
+    labels:
+      - traefik.enable=true
+      - traefik.http.routers.posteio.rule=Host(`${HOST_MAIL}.${DOMAIN}`)
+      - traefik.http.routers.posteio.entrypoints=web
+      - traefik.http.services.posteio.loadbalancer.server.port=80      
+    networks:
+      - srv