by post BrE
by mail AmE

You also can report changes by mail or in person.

It is available by mail from the society for $1.35.

I have friends all over the country, and we stay in touch by mail.

And so the pieces of lives came by mail from all the country.

You used to be able to open an account by mail.

You are welcome to call or write to him by mail.

You can also file your federal tax return by mail.

About 25 percent of its sales are by direct mail.

You can do so either by mail, phone, or other communication means.

The workers will vote on the agreement by mail this week.