by post BrE
by mail AmE

She sent him the lyrics by post, which arrived the next day.

Get a pack full of great teaching ideas by post.

Was it, wondered Robert, something one could do by post?

To book your theory test by post you'll need an application form.

Sorry, but we are not able to send any materials by post.

You can fill the form in yourself and send it back by post.

Student and child reductions are not available by post or phone.

We just need to get more people to send their votes in by post or vote on the internet.

Two arrive, one in the morning and the other by late post.

If you want to vote by post give the full address where your ballot paper should be sent.