Here's a quick guide in Luna's Settings menu. One of the options here is (un)link your email.
You want to link your email
If you want to link your email, navigate to Mail Settings and select your mail provider. Once you've done this, follow the steps and link your account. If you're using Google, please see the following guide.
You want to unlink your email
If you want to unlink your email, navigate to Mail Settings and click the red unlink button
If you unlink your email, Luna will not be able to write and suggest emails to send to your prospects anymore. You can always re-link your email if you want to use this feature!
Happy Selling! ๐