Question

what will happen if we do not write the address on a letter that we need to post? ​

Answer 1

Answer:

1. the post will be in your post box itself.

Answer 2

Answer:

The return address is not required on postal mail. However, lack of a return address prevents the postal service from being able to return the item if it proves undeliverable; such as from damage, postage due, or invalid destination.