How to ask for an update on mail

Here are some polite and professional ways to ask for an update on mail:

Email

Simple and direct: "Hi [Name], could you please let me know the status of my [package/letter/envelope] that was sent on [date]?"
Show interest: "Hi [Name], I was wondering if you could provide an update on the status of my [package/letter/envelope] that was sent on [date]. I'm eager to receive it."
Use a tracking number: "Hi [Name], I've been tracking my [package/letter/envelope] with tracking number [number]. Could you please let me know if there are any updates on its delivery?"

Phone

Friendly and brief: "Hi, I was just wondering if you could give me an update on my [package/letter/envelope] that was sent on [date]."
Show enthusiasm: "Hi, I'm really looking forward to receiving my [package/letter/envelope] that was sent on [date]. Could you please let me know if there are any updates on its delivery?"

In-person

Smile and ask: "Hi, I was just wondering if you could give me an update on my [package/letter/envelope] that was sent on [date]."
Show interest: "Hi, I'm really excited to receive my [package/letter/envelope] that was sent on [date]. Could you please let me know if there are any updates on its delivery?"

Additional tips

Be patient and polite. It's understandable that mail can take time to process and deliver.
Make sure to provide the correct tracking number or details about your mail to help the recipient locate it.
If you're asking for an update on a package, you can also ask about the estimated delivery date or any issues that may have caused a delay.
If you're still waiting for an update after a reasonable amount of time, you can consider contacting the postal service or the sender directly for assistance.