In this example, number is the number of the message to be inserted. For example, to send to another user a message that includes a copy of message number 3 from your mailbox list, complete the following steps.
On a new line, type the command ~m 3, and then press Return.
mailx displays the following message.
Interpolating: 3 (continue)
You do not see the text of message 3, but the recipient will. You can continue to compose your message after (continue), or you can send it as is.