The University of Guadalajara also has internet service and I think the monthly rate is around or a little less than 200 pesos. Compuserve, which I use for e-mail, is also a long distance call to Guadalajara. Consequently prices for calls to the states are coming down. The Lake Chapala Society, a service organization for expatriates, accepts mail with the appropriate amount of U. S. postage and members who are heading north for the border take it and post it in the states. Receiving mail via the Mexican Postal Service runs hot and cold.
Letters take at least two week going and coming.
There is a Mail Boxes, Etc. office here and they claim mail from the states is received within a week. Doctors, dentists, etc. There are a number of doctors in the area who speak English and they are usually associated with a small clinics. In Guadalajara, Mexico's second largest city, there are world class hospitals, doctors, specialists, etc. You must have a physical by a certified IMSS doctor.