Iranians are pretty sophisticated when it comes to finding ways around government filters. I think the reason for the government banning access to Gmail is Goog

Iranians are pretty sophisticated when it comes to finding ways around government filters. I think the reason for the government banning access to Gmail is Google's decision to switch to HTTPS for all users. That makes it harder to spy on what people are emailing about. Do Yahoo and Hotmail use HTTPS by default? This probably makes the deep packet inspection the IRG have been accused of much harder.