Non-e-mail formatted names or those that
The following are some examples of non-e-mail formatted names:
If a name includes a period, the Middle Tier Server attempts to authenticate it first as a FQDN. If that authentication fails, the Middle Tier attempts to authenticate the name with the periods escaped ("\.") beginning from left to right. If that authentication fails, the Middle Tier attempts an LDAP search from each configured base distinguished name.