How can i send emails without a server ? Only front-end Javascript with sendgrid or
You can use FormSpree. Just provide the url in form action.
Several suugestions
- dropbox forms via jotbox includes encryption and a paid SSL option
- sendgrid using parse cloud instructions
- third party service, eg 123contactform
- use a not-so-secure php form with extra javascript to mask the email address, see responses on this thread including Dave Jarvis' php code
You could use a serverless architecture with AWS Lambda functions written in JavaScript.