I have just arrived in Rarotonga, Cook Islands. Its a small South Pacific island nation. My Apple MacBook just will not communicate with my Roadrunner accounts. Will not receive or send emails. Just remains "grayed out". I am using the internet from a private residence and it seems fine for Google browsing, although it did not want to access the Roadrunner webmail. I have not tried to change any Mail Settings because I basically don't know how to. Help!