nextcloud mail

nextcloud/docker-compose.yml

@@ -57,6 +57,14 @@ services:
 
       PHP_MEMORY_LIMIT: 2048M
       PHP_UPLOAD_LIMIT: 16G
+      SMTP_HOST: ${SMTP_HOST}
+      SMTP_PORT: ${SMTP_PORT}
+      SMTP_SECURE: ${SMTP_SECURE}
+      SMTP_AUTHTYPE: ${SMTP_AUTHTYPE}
+      SMTP_NAME: ${SMTP_NAME}
+      SMTP_PASSWORD: ${SMTP_PASSWORD}
+      MAIL_FROM_ADDRESS: ${MAIL_FROM_ADDRESS}
+      MAIL_DOMAIN: ${MAIL_DOMAIN}
     volumes:
       - /opt/nextcloud/html:/var/www/html:Z
       - /opt/nextcloud/config:/var/www/html/config:Z
@@ -69,6 +77,7 @@ services:
     networks:
       - nextcloud_internal
       - proxy
+      - mail_internal
     labels:
       - traefik.enable=true
       - traefik.docker.network=proxy
@@ -105,6 +114,14 @@ services:
       MYSQL_USER: ${MYSQL_USER}
       MYSQL_PASSWORD: ${MYSQL_PASSWORD}
       REDIS_HOST: nextcloud-redis
+      SMTP_HOST: ${SMTP_HOST}
+      SMTP_PORT: ${SMTP_PORT}
+      SMTP_SECURE: ${SMTP_SECURE}
+      SMTP_AUTHTYPE: ${SMTP_AUTHTYPE}
+      SMTP_NAME: ${SMTP_NAME}
+      SMTP_PASSWORD: ${SMTP_PASSWORD}
+      MAIL_FROM_ADDRESS: ${MAIL_FROM_ADDRESS}
+      MAIL_DOMAIN: ${MAIL_DOMAIN}
     volumes:
       - /opt/nextcloud/html:/var/www/html:Z
       - /opt/nextcloud/config:/var/www/html/config:Z
@@ -116,6 +133,7 @@ services:
       - /opt/paperless/media:/mnt/paperless-media:ro,Z
     networks:
       - nextcloud_internal
+      - mail_internal
 
   onlyoffice-documentserver:
     image: onlyoffice/documentserver:9.3.1
@@ -165,3 +183,6 @@ networks:
 
   proxy:
     external: true
+
+  mail_internal:
+    external: true

nextcloud/stack.env

@@ -11,3 +11,11 @@ NEXTCLOUD_ADMIN_USER=admin
 NEXTCLOUD_ADMIN_PASSWORD=change_me_nextcloud_admin_password_long_and_secure
 OO_JWT_SECRET=change_me_onlyoffice_jwt_secret_long_and_random
 OO_SECURE_LINK_SECRET=change_me_onlyoffice_secure_link_secret_long_and_random
+SMTP_HOST=mail-relay
+SMTP_PORT=587
+SMTP_SECURE=tls
+SMTP_AUTHTYPE=
+SMTP_NAME=
+SMTP_PASSWORD=
+MAIL_FROM_ADDRESS=nextcloud
+MAIL_DOMAIN=example.com