Yes, its a lot of fun to play with it, I invite people to join in the fun. 20.000 Lines of code for almost all of personal computing.
[email redacted] host mx02.mail.icloud.com [17.42.251.62] SMTP error from remote mail server after pipelined end of data: 554 5.7.1 [CS01] Message rejected due to local policy. Please visit https://support.apple.com/en-us/HT204137
This Apple mail server seems to reject your emails because it thinks its spam.
Yes, its a lot of fun to play with it, I invite people to join in the fun. 20.000 Lines of code for almost all of personal computing.