Postfwd not starting at startup

[phil at philfixit.com.au]

Hi

I can't get postfwd to autostart at startup, i have to manually start it 
every time.

I set STARTUP=1
in
/etc/default/postfwd

and i tried
Restart=always
in
/lib/systemd/system/postfwd.service

Neither of which have the desired effect.

Is there somewhere else to set it ?

Googling doesn't produce much in the way of results for anything to do 
with postfwd.

$ lsb_release -a
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 22.04.5 LTS
Release:    22.04
Codename:    jammy

$ postfwd -V
postfwd2 1.35 (Net::DNS 1.33, Net::Server 2.009, Sys::Syslog 0.36, 
Time::HiRes 1.9767, Storable: 3.23, Perl 5.034000 on linux)

Cheers Phil