You could block SMTP on almost all end user networks with no one noticing. 99.9+... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		stackskipton 11 days ago \| parent \| context \| favorite \| on: Show HN: SMTP Tunnel – A SOCKS5 proxy disguised as... You could block SMTP on almost all end user networks with no one noticing. 99.9+% of email client submission is HTTPS.

bauruine 10 days ago | [–]

I doubt it's that much but with the same logic you could also ban HN, SSH and basically any protocol thats not https "with no one noticing" because 99.9+% doesnt use it.

ranger_danger 10 days ago | [–]

Source:

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact