If your security and privacy is something of such grand value to you, I'd advise you look in to alternatives.
https://www.reddit.com/r/degoogle/ - This is an excellent resource to begin detaching yourself from google technology.
If you mean just GMAIL as an email service, I advise you look in to alternative mail such as riseup.net & gmx.com, I personally have used both and can attest to the fact that just functioning as email, either of those are better than gmail.