Send the letter by ...... post please. (British English)

Can you send the invoice by ...... mail please? (American English)

The information travels from one place to another by ...... satellite.

We get all our information about the news by ...... telex.

My friends often receive interesting information by ...... email.

The company sometimes send packages by ...... courier.

If the letter is very important, send it by ...... air.

The company often delivers packages by ...... water.

David hates flying so he usually goes on holiday by ...... land.

Please send this message by ...... wire as soon as possible.

The parcel will be delivered by ...... messanger.

The letters are delivered by ...... post.