Please consider using PGP to secure your emails.
So after using an email client that has been suspected of numerous privacy violations, I decided to up my security precautions. I'm still looking for a decent macOS based email client, but in the meantime, I have enabled (and prefer) PGP email communication.
If you care about your privacy, then I suggest you do the same. There are numerous tutorials online on this subject, so I see no point in duplicating them; I will link a couple of useful ones below:
You can access my public key Keshav Chawla email@example.com here: http://keshavchawla.com/KeshavChawla(AD658ACF)Public.asc
You can use this key to encrypt and secure our messages.
To start using it, you'll need to install an OpenPGP software on your computer. Below you'll find a list of possible solutions for your operating system:
Import the public key into your local OpenPGP Key-Manager.
Please let me know if you have suggestions for a MacOS email client.