Problems with e-mail communication
Providers with real or suspected problemsYou might have to contact technical support if you are a user of one of the providers listed below and you do not receive any messages from us, especially the confirmation message when creating an account in the conference management system.
mail.ru: blacklists our servers, despite the request to accept messages
- ysn.ru: refuses mail because of problems with inverse dns lookup
- rediffmail.com: seems to discard our messages.