Postfix 2.9 dont have the option in virtualmin to send by domain ip

Hi again, like andrey told me, i do a new topic.

i install postfix 2.9, webmin 1.610 and virtualmin 3.97 but the option is not there

[–]Server Configuration
Change Domain Name
Change IP Address
Clone Virtual Server
DNS Options
DNS Records
Edit Proxy Website
Move Virtual Server
PHP Versions
Website Options
Website Redirects

when i was re-checking configuration says this

Mail server Postfix is installed and configured.

Postfix is configured to support per-domain outgoing IP addresses.

before the re-checkin i do all in this page: https://www.virtualmin.com/documentation/email/dependent

so dont know if i do something wrong or if virtualmin dont work with postfix 2.9. please help

Now is working, i can get in option via

[–]
System Settings
Features and Plugins
Server Templates
Account Plans
Bandwidth Monitoring
Script Installers
New Feature Log (HERE)
Upgrade to Virtualmin Pro
Cloudmin Services Client
Virtualmin Configuration
Re-Check Configuration

and there

Outgoing SMTP IP Address (Version 3.94) | Try it … (HERE)
The outgoing IP address for email sent from a domain can now be configured to match the domain’s IP, when using Postfix 2.7 or above.

Dont know why i only can get there from this but now i select send via domain ip and is full working, but if can u help me telling me where i should normally get there?