2017-05-06 14:59:43 +02:00
|
|
|
Insert these lines into `data/conf/postfix/main.cf`. "relayhost" does already exist (empty), just change its value.
|
2017-05-06 00:22:26 +02:00
|
|
|
```
|
|
|
|
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
|
|
|
|
```
|
|
|
|
|
|
|
|
### Helper script
|
|
|
|
|
|
|
|
There is a helper script `mailcow-setup-relayhost.sh` you can run to setup a relayhost.
|
|
|
|
|
|
|
|
``` bash
|
|
|
|
Usage:
|
|
|
|
|
|
|
|
Setup a relayhost:
|
|
|
|
./mailcow-setup-relayhost.sh relayhost port (username) (password)
|
|
|
|
Username and password are optional parameters.
|
|
|
|
|
|
|
|
Reset to defaults:
|
|
|
|
./mailcow-setup-relayhost.sh reset
|
|
|
|
```
|