The pros are definitely massive because you get instant privacy and you completely stop marketing spam before it even starts. I love using TempBox because it is fast and requires zero setup. Now, the main con to keep in mind is that you will lose access to the mailbox after it expires. So, you should never use a
temporary email for important accounts like your primary social media or online banking where you might need to do a password reset down the road. For random blog registrations and quick downloads though, the benefits easily outweigh any downsides. It just takes a little common sense!