Translation of telegrama

The machine arrived in Cuba at nine and it was already dark. The border control was nothing like the one in Mexico. They were communist and one could see the strictness and uneasiness of them.
We are currently processing the information that you gave us and I will get back to you in the middle of next week. If there are other Spanish language study materials we are always happy to get them.
I had to fly to Switzerland very urgently on Sunday, now I am back. Anyway, attached is a newsletter that will be sent to the users of Vocabulix. Should there be any changes, it would be nice.