Port 25, which you call insecure and unencrypted, is using the same protocol as ...

		blueflow 13 days ago \| parent \| context \| favorite \| on: SSH3: Faster and rich secure shell using HTTP/3 Port 25, which you call insecure and unencrypted, is using the same protocol as port 587, which you call secure - SMTP with STARTTLS.