Blackberry users were unable to access mobile e-mail from their smartphones yesterday. The service disruption affected millions of users in North America, according to a report.
Blackberry users previously experienced a major outage of the service in 2008. At the time, Blackberry maker Research in Motion (RIM) said it had updated its testing procedures to avoid a repeat of the problem.
The e-mail service is now up and running.
Mobile e-mail is regarded by experts as one of the killer applications that has cemented the Blackberry device into corporate culture. Many users prefer the portability and simplicity of a Blackberry for e-mail access over a laptop PC. But RIM faces a difficult time ahead, with strong competition from rival smartphone makers such as Apple, Google, Microsoft and Nokia offering mobile e-mail services.