Re: OpenSMTPD ERROR 550 Invalid recipient

Hi, you havematch from local for local action "local" match from any for domain action "local" match from any auth for any action "relay" in your config. So I think what you see is the expected behaviour, because sendmail did not authenticate and icloud.com is probably not in . If you want unau

Re: OpenSMTPD ERROR 550 Invalid recipient

It's Rspamd crashing somewhere. Check it.