postwhite VS docker-postfix

Spam - This isn't that bad as long as you are actually actively adding spam to the spam db. I generally tell people to use Postcreen to cut down on spam bots and use postwhite to whitelist common legitimate email senders.

Use Postcreen to cut down on spam bots and use postwhite to whitelist common legitimate email senders.

The thing I found that helped against 99% of the spam emails was to enable aggressive Postscreen delays with top domain whitelists by using the postwhite script

That and using greylisting with the postwhite script has almost eliminated spam emails to my personal and public domains.

Postwhite - Setting up aggressive Postscreen settings and then make it bearable with postwhite.

I tried using this container and following the instructions to setup Gmail OAuth (https://github.com/bokysan/docker-postfix) but have been unable to make it work so far. I actually have an open issue there with what I've tried so far ( Unable to send - Gmail OAuth · Issue #117 · bokysan/docker-postfix (github.com) )

Look no father than. https://github.com/bokysan/docker-postfix

I’d recommend something like https://github.com/bokysan/docker-postfix if you just want to send

You could try this Docker image.