I have been self hosting my private domains for a couple of years now and spam is not a problem with rspamd and it needs very little resources. Some large hosts

I have been self hosting my private domains for a couple of years now and spam is not a problem with rspamd and it needs very little resources. Some large hosts just outright blocked me but i always get it unblocked with some assistance of my hoster. So, yes it is fine. I even set up webmail with rainloop. Better than anything once you got it set up right.