I don’t know if you remember, but back in 2016, owners of iOS devices found fresh letters in their mailbox dated January 1, 1970. In this case, the address of the sender of correspondence is missing. Empty subject field and body of the letter. Attempts to delete the specified messages in a standard software manner have failed.
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“No Sender” and “No Subject” Mails
So in 2019, with the release of iOS 13, we were pleased with the next bug related to the iOS Post Client. This time, owners of iOS 13 and iPadOS 13 find emails without Sender and without Subject on their devices, but fortunately not from the past, which in some circumstances could even disrupt the device.
Read more: What to do if your iPhone X not Responding to Touch or iPhone X Screen Frozen?
In today’s article, I will give you some recommendations on how to neutralize the problem with strange letters in the Mail application on iOS and iPadOS.
Force Close the Mail Application
- On iPhone X or later, or on an iPad with iOS 12 or later or iPadOS: Swipe up from the bottom of the Home screen, lingering slightly in the middle of the screen;
- On iPhone 8 or earlier: Double-tap the Home button to display recently opened Running apps list;

- Scroll the list left or right until you find the Mail app;
- To end the app, swipe it up.

Force Reboot Device
Next method is to forcerestart your Apple device. Here some solutions for different models:
- In this article you will find full guide: “How to Force Restart iPhone 7 or 8?” or just hold Power button and Volume Down button;

- Here the quide: “How to Force Restart iPad Pro 2018?”;
- Next guide how to Force Restart an old iPads and iPhone 6S or 6S Plus models: Hold on the Home and Power buttons.

Conclusion
After the release of iOS 13, Apple received complaints about the numerous errors that the operating system was just teeming with. The company did not hesitate and released iOS 13.1.1 and iPadOS 13.1.1 updates that fix bugs found, next update was 13.2.1. I hope this updates fix bugs as much, as possible.
It’s the best time to ask questions and give us your feedback in comments.