I’m worried

Thalys e-ticket

Yesterday I bought a Thalys ticket (Brussels-Paris) to used it in September. I received an e-mail from RailEurope confirming my purchase and with all the trip info (name, dates, coach, seat, etc), but also with the next legend:

Your Print at Home e-ticket(s) will be sent to you in a separate email from thalysticket@mail.thalysticketless.com. Emails are sent shortly after purchase. Be sure to print your tickets and bring them with you on the train, as they will be checked.

I know Thalys itself must send me the e-ticket but I've just waited for one day and still don't get it. I'm sure nothing is wrong with the payment, because the mail from RailEurope said the payment was accepted. Should I wait longer?
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