Their main source is the Athens News Agency. The news is written in the Greek language, transliterated to Latin characters because transmittion of true Greek characters over the email is not always possible.
All news is sent with the following footnote.
The following information is provided by Cosmos. Part of our programming is also retransmitted in the Philadelphia and Tampa regions. Covers the Continental United States, and most of Canada. News by e-mail service is available daily in Greek. All our services are provided free of charge.