How To Use Mail train In A Sentence

Jump the first mail train I see. Times, Sunday Times
Jump the first mail train I see. Times, Sunday Times
Currently only a select number of these mail trains stop at these railway stations.
The train that I intended to take for Brindisi is a weekly mail train that runs to accommodate the mails and not passengers. Nellie Bly's Book: Around the World in Seventy-Two Days
A mail train chugged along on a parallel track to her left but soon disappeared into a tunnel.

Each member brought a particular skill to the gang, which successfully robbed the night mail train to London, causing serious head injuries when they coshed the train driver, who never fully recovered.
Heart ablaze and head blowing clouds of smoke, the mail train thundered into the platform and ground to a halt.
Currently only a select number of these mail trains stop at these railway stations.
The infamous robber was sentenced to 30 years for his part in the 1963 robbery of a Glasgow to London mail train in which a guard was injured.