Proofreading is basically considered as a careful consideration of mistakes before the publishing of any content.

If you want to ensure a high standard of quality in your translation from English to Greek, you should hire a professional Greek proofreader

An answer to what is meant by MTPE that I can give you is that it is Machine Translation Post Editing.

Everyone involved in the writing industry should be aware of the differences between Greek editing, review and Greek proofreading services.