Our key systems are monitored 24x7 by the third-party service Pingdom and by the facilities hosting the hardware itself. If you see a current outage, don't worry. The infrastructure team has already been alerted.
E-mail is managed by Google Apps and uses OpenMRS ID for single sign on. In addition to e-mail, all Google services are also available to a OpenMRS Google Apps account. We intend to soon integrate these accounts with OpenMRS ID and keep them synchronized. For now, if you want access, please open a ticket.
Communication is done by https://talk.openmrs.org
Raise a request in https://help.openmrs.org/