return mail
'A vuelta de correo' is a Spanish phrase that literally translates to 'by return of mail'. It is often used to indicate that something will be done at the earliest convenience, similar to the English expressions 'as soon as possible' or 'right away'
I will send you the information back by mail.
This phrase indicates that the speaker will send information back to the recipient quickly, emphasizing the promptness of the return.
You will receive the confirmation back by mail.
This sentence assures the listener that a confirmation will be sent back soon, suggesting reliability in communication.
Send your comments back by mail.
Here, the speaker is requesting feedback to be sent promptly, showcasing the importance of timely responses.