Email account without phone number and alternate email

Protonmail

First of all nothing is untraceable in this age. If you are doing things legally then there is nothing to worry. These are good for general purposes

For email, use proton mail. and use it in Tails OS(it will run off a usb). This is what journalists who deals with sensitive stuffs use

mailbox dot org

If you're looking to automatically delete spam emails or filter them out, you can consider using Gmail's free Plus addressing service.

https://www.streak.com/post/gmail-plus-addressi...

Use tor browser.