As already told by @Black Mamba you can get one Adress for free.
To get sure, that no Messages will be deleted when migrating from the subscribtion to free, contact the Hotline. They will assist you to migrate the account properly.
Chi ha prescha perda seis temp. Resta pachific!
Gruess, Cordial salids, Cordialement, Cordiali Saluti, Cheers!
Dominik