

You are talking about reputation management which is not as big a deal as you might think.
Email is a simple system but there are a lot of things at work to prevent (more like reduce) spam.
Some DNS knowledge and some friendly emails to a few abuse @ addresses and a few months of quiet reputation building and you are set.
Add a few weeks of rspamd training and you won’t see much spam either.






Cool, please still do. He needs to get back into the wild at some point and you really want him rewilded properly so he doesn’t approach less friendly humans with dogs or depends on humans for food and starves to death in winter. :) please