|
|
@@ -136,6 +136,29 @@ server {
|
|
|
}
|
|
|
```
|
|
|
|
|
|
+## Optional: Setup a relayhost
|
|
|
+
|
|
|
+Insert these lines to `data/conf/postfix/main.cf`. "relayhost" does already exist (empty), just change its value.
|
|
|
+```
|
|
|
+relayhost = [your-relayhost]:587
|
|
|
+smtp_sasl_password_maps = hash:/opt/postfix/conf/smarthost_passwd
|
|
|
+smtp_sasl_auth_enable = yes
|
|
|
+```
|
|
|
+
|
|
|
+Create the credentials file:
|
|
|
+```
|
|
|
+echo "your-relayhost username:password" > data/conf/postfix/smarthost_passwd
|
|
|
+```
|
|
|
+
|
|
|
+Run:
|
|
|
+```
|
|
|
+docker-compose exec postfix-mailcow postmap /opt/postfix/conf/smarthost_passwd
|
|
|
+docker-compose exec postfix-mailcow chown root:postfix /opt/postfix/conf/smarthost_passwd /opt/postfix/conf/smarthost_passwd.db
|
|
|
+docker-compose exec postfix-mailcow chmod 660 /opt/postfix/conf/smarthost_passwd /opt/postfix/conf/smarthost_passwd.db
|
|
|
+docker-compose exec postfix-mailcow postfix reload
|
|
|
+```
|
|
|
+
|
|
|
+
|
|
|
## Install a local MTA
|
|
|
|
|
|
The easiest option would be to disable the listener on port 25/tcp.
|
andryyy