Nokia (NYSE: NOK) revealed on Wednesday that more than 250,000 people have opened Ovi email accounts in the first four months after the service launched, Reuters reports. Nokia has been trying to “crack” the email mobile market for some time now, which RIM (NSDQ: RIMM) dominates. In 2006, it bought wireless email technology provider Intellisync for $430 million, though quietly closed down its business mobility unit in which push mobile email for businesses was one of the services to concentrate on consumer email. It looks like Nokia’s best chances are in emerging markets. According to Nokia’s consumer messaging business director Purnima Kochikar, speaking at the handset maker’s developer conference in Monaco, said 10 of the top 12 Ovi-using countries were emerging markets. “We just put it up there, and more than a quarter of a million people signed up,” she said.