Can a usps mail carrier leave mail on ground

According to the United States Postal Service (USPS) guidelines, mail carriers are not supposed to leave mail on the ground. Here's what the USPS says:

However, there may be situations where a mail carrier might leave mail on the ground, such as:

If you're concerned about your mail being left on the ground, you can:

Remember, it's always best to follow USPS guidelines and protocols to ensure the safe and secure delivery of your mail.