Posteo, a Berline-based email proider, has blocked the email address being used by the perpetrators of this week’s global cyber attack. But this has left victims unable to drcrytp their computers even after paying the ransom. The company said: ““We do not tolerate any misuse of our platform: The intermittent blocking of abused mailboxes is a normal procedure of providers in such cases,” the company said, according to Gizmodo.