Michael Gargiullo wrote:
While email addresses can contain periods and underscores. Usernames
cannot. This changed after RH8 or 9. The Shadow Utilites package
underwent changes. I know there are hacked shadow-util packages that
allow the periods in usernames under fedora, I wouldn't recommend them.
You can circumvent this as well by storing your user database in some other location, like an LDAP server.
Jeremy
