Comment 2 for bug 544278

Adding a new email address should be implemented as detailed in the specification, see variation 12.a 'Registered User enters a new email address"

http://use-case-mapper.canonical.com/specifications/0AU5sFuLRpCpBZGZra2pqY2pfMjYwZnhwMmptZjY/use_cases/2_1