I am a new poster. I couldn't find a way to search for specific topic.
We will be travelling in May and early June. We plan to use the trains to get from Milan to Florence, Florence to Rome, Rome to Naples and Sorrento. I am looking at the Rail Ticket purchase on this Rick Steves website for advance purchase of tickets and there is mention of them mailing tickets or they will be sent to me by email. My question is how does one validate an online ticket at the stations? Do I have to go ticket window? I am not comfortable with relying on a smartphone picture. I was planning on printing out a paper copy. Does a validation machine accept a letter size piece of paper being inserted.
Since I am travelling in Late May and Early June, should I be concerned about the availability of tickets and trains? I was planning on travelling in the middle of the day in all trips.
Thanks, Dave