Window$ and Linux always have multiple user support. Maybe mozilla should destroy the support for multiple profiles.
Of course, multiple identities must be designed and programmed properly first. I see no reason to check uniqueness until spamming can be controlled... :) > Use fake mail servers. E.g. POP, server: abc145, login nobody 456 >>> There's an easier solution to this problem. Just set up >>> multiple profiles, all with the same mail account but >>> different identities. > Not necessary.
