
Moreover, the user is also not using any antivirus or VPN software that could interfere with Mail. Their device is updated to the latest versions of both macOS (Ventura 13.0.1) and Mail (16.0) and they have no updates available. The user said that this problem has been happening for a long time across different versions of macOS and Mail.

Recently, some of the users on the Apple forum posted experiencing this problem of blank or empty emails in Apple Mail on macOS Ventura. This can be very annoying and frustrating, especially if you need to access important information or reply to urgent emails. This means that you can’t see the content of the messages, only the subject line and sender information. However, sometimes you may encounter a problem where some or all of your emails appear blank or empty in Apple Mail on your Mac. It allows you to manage multiple accounts, send and receive messages, attach files, and more. You can swipe to the right or left to delete, archive, pin, or mark an email as unread.Apple Mail is one of the most popular and convenient email clients for Mac users. It also has gesture-based actions for getting to inbox zero. This is invaluable when you regularly get emails that you need to respond to but don't have time for until the end of the day. Spark also allows you to snooze an email and come back to take care of it at a later time. Lastly, emails you've seen but haven't moved to another folder.

Below that, there are emails you've flagged or tagged as necessary in some way. Below that, you'll see a section called "Newsletters," which is precisely that. Emails that look like alerts from companies you deal with, like your gas company or Amazon, include an alert or notification in a separate section. That is, any email that is from someone in your contacts or otherwise looks like a personal email will be filtered to the top of the inbox list.

Spark has this "Smart Inbox" feature that separates mail into categories: Personal, Notifications, Newsletters, Pinned, and Seen.
