you are confusing spam filtering with blocked emails.
The issue people have trying to send mail is with the latter, where the email won't even show up in the spam filters, it will either be blocked by the mail system or silently ignored.
The issue people have trying to send mail is with the latter, where the email won't even show up in the spam filters, it will either be blocked by the mail system or silently ignored.
On my server, when I block a message due to trust, I reject the connection. When I block due to spam, the message is received but goes in the spam folder.
I get reports from Google/Microsoft/etc when other people try to send using my domains but their messages fail due to DKIM/SPF failures.
I just want to push back against the “it’s impossible to self host email” meme that seems comes around occasionally. Every time I’ve run into an issue there has been a solution.
Is that how Google/Microsoft/etc. do it too? If not, then your practice really doesn't matter. Most of my friends have an @gmail.com address, so if Google would pretend to accept mail from my hypothetical mail server, but instead just drop it on the floor, that's a non-starter for me hosting my own mail.
What I would like to get across is that self hosting is not impossible or unacceptably unreliable. If Google and Microsoft have policies that make it difficult to send messages to gmail or hotmail users, that isn’t a reason in and of itself that we should not self host. It’s a reason that we should work with Google/Microsoft to have better policies - but accepting things as they are and writing off self hosting as impossible is eventually accepting control of email by a limited handful of corporations, which I don’t think is a good thing.