$result = $ldap->add ("cn=$CN,ou=$OrgU,dc=quintecusa,dc=com",
attr => [ 'cn' => ["$CN"],
'sn' => $Lastn,
'givenName' => $Firstn,
'userprincipalname' => $Emailaddr,
'proxyaddresses' => ["$smtp[0]","$smtp[1]"], ## This line is the issue!
'samaccountname' => $UserIdent,
'uid' => $UserIdent,
'mail' => $Emailaddr,
'objectclass' => [ 'top','person', 'organizationalPerson','user' ]
]