Proper order in mail config

With previous order Monit was complaining:
```
failed: [10.00.33.60] => {"failed": true}
msg: /etc/monit/conf.d/mail:6: Error: syntax error 'TLSV1'
```

Docs as well suggest this order: https://mmonit.com/monit/documentation/monit.html#Setting-a-mail-server-for-alert-delivery