Email storage is full

BlueDragon52 wrote:

I deleted email account from my Macbook Pro. Boot to safe mode. Deleted unwanted.

But my email storage still takes up to 150 GBs.

Any solutions to my problem.

Thanks.

? What exactly is the issue.

So you have no more email account...?

Typically from Mail if you highlight an account and Control Click — you can see account

reference:

Remove email accounts in Mail on Mac - Apple Support

Create or delete mailboxes in Mail on Mac - Apple Support

Mail User Guide for Mac - Apple Support