It would be better if you as an employee post on Cisco Internal post or the customer post on the customer forum directly.
In any case customer can manage his email alerts at :
In a normal circumstance he/she should update the password as requested on the instructions given . However:
There some global connectivity issues with the www.cisco.com servers which is required for the access after a recent modification on how to authenticate to www.cisco.com servers.
Please ask him to monitor the following bug until in resolved state.
The bug https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr54360